wok rev 5691
linux: add missing patches
| author | Pascal Bellard <pascal.bellard@slitaz.org> |
|---|---|
| date | Sat Jun 05 13:07:53 2010 +0200 (2010-06-05) |
| parents | 003ddfde863e |
| children | 52dc580d9edb |
| files | linux/receipt linux/stuff/linux-freeinitrd-2.6.34.u linux/stuff/linux-squashfs-lzma-2.6.34.u |
line diff
1.1 --- a/linux/receipt Sat Jun 05 12:27:25 2010 +0200 1.2 +++ b/linux/receipt Sat Jun 05 13:07:53 2010 +0200 1.3 @@ -43,8 +43,6 @@ 1.4 echo "Apply $patch_file" 1.5 patch -p1 < slitaz/$patch_file || exit 1 1.6 touch done.$patch_file 1.7 - #$PACKAGE-freeinitrd-$VERSION.u 1.8 - #$PACKAGE-squashfs-lzma-$VERSION.u 1.9 done <<EOT 1.10 $PACKAGE-diff-$VERSION.u 1.11 $PACKAGE-unlzma-$VERSION.u 1.12 @@ -52,6 +50,8 @@ 1.13 aufs2-base.patch 1.14 aufs2-kbuild.patch 1.15 aufs2-standalone.patch 1.16 +$PACKAGE-freeinitrd-$VERSION.u 1.17 +$PACKAGE-squashfs-lzma-$VERSION.u 1.18 EOT 1.19 make mrproper 1.20 cd Documentation/lguest
2.1 --- a/linux/stuff/linux-freeinitrd-2.6.34.u Sat Jun 05 12:27:25 2010 +0200 2.2 +++ b/linux/stuff/linux-freeinitrd-2.6.34.u Sat Jun 05 13:07:53 2010 +0200 2.3 @@ -1,6 +1,6 @@ 2.4 --- linux-2.6.30.4/arch/x86/mm/init.c 2.5 +++ linux-2.6.30.4/arch/x86/mm/init.c 2.6 -@@ -381,7 +381,7 @@ 2.7 +@@ -366,7 +366,7 @@ 2.8 */ 2.9 set_memory_rw(begin, (end - begin) >> PAGE_SHIFT); 2.10 2.11 @@ -90,25 +90,21 @@ 2.12 continue; 2.13 } 2.14 if (!*buf) { 2.15 -@@ -446,9 +497,15 @@ 2.16 - } 2.17 +@@ -447,7 +497,12 @@ 2.18 this_header = 0; 2.19 decompress = decompress_method(buf, len, &compress_name); 2.20 -- if (decompress) 2.21 -- decompress(buf, len, NULL, flush_buffer, NULL, 2.22 -+ if (decompress) { 2.23 + if (decompress) { 2.24 +- res = decompress(buf, len, NULL, flush_buffer, NULL, 2.25 + if (early_free_initrd) { 2.26 -+ decompress(NULL, 0, fill_buffer, flush_buffer, 2.27 -+ NULL, &my_inptr, error); 2.28 ++ res = decompress(NULL, 0, fill_buffer, 2.29 ++ flush_buffer, NULL, &my_inptr, error); 2.30 + my_inptr += fill.inptr; 2.31 + } 2.32 -+ else decompress(buf, len, NULL, flush_buffer, NULL, 2.33 ++ else res = decompress(buf, len, NULL, flush_buffer, NULL, 2.34 &my_inptr, error); 2.35 -+ } 2.36 - else if (compress_name) { 2.37 - if (!message) { 2.38 - snprintf(msg_buf, sizeof msg_buf, 2.39 -@@ -485,7 +543,8 @@ 2.40 + if (res) 2.41 + error("decompressor failed"); 2.42 +@@ -488,7 +546,8 @@ 2.43 #include <linux/initrd.h> 2.44 #include <linux/kexec.h> 2.45 2.46 @@ -118,7 +114,7 @@ 2.47 { 2.48 #ifdef CONFIG_KEXEC 2.49 unsigned long crashk_start = (unsigned long)__va(crashk_res.start); 2.50 -@@ -513,6 +571,12 @@ 2.51 +@@ -516,6 +574,12 @@ 2.52 #endif 2.53 free_initrd_mem(initrd_start, initrd_end); 2.54 skip:
3.1 --- a/linux/stuff/linux-squashfs-lzma-2.6.34.u Sat Jun 05 12:27:25 2010 +0200 3.2 +++ b/linux/stuff/linux-squashfs-lzma-2.6.34.u Sat Jun 05 13:07:53 2010 +0200 3.3 @@ -1,5 +1,437 @@ 3.4 ---- linux-2.6.30.6/fs/squashfs/Kconfig 3.5 -+++ linux-2.6.30.6/fs/squashfs/Kconfig 3.6 +--- linux-2.6.30.6/include/linux/decompress/bunzip2_mm.h 3.7 ++++ linux-2.6.30.6/include/linux/decompress/bunzip2_mm.h 3.8 +@@ -0,0 +1,13 @@ 3.9 ++#ifndef BUNZIP2_MM_H 3.10 ++#define BUNZIP2_MM_H 3.11 ++ 3.12 ++#ifdef STATIC 3.13 ++/* Code active when included from pre-boot environment: */ 3.14 ++#define INIT 3.15 ++#else 3.16 ++/* Compile for initramfs/initrd code only */ 3.17 ++#define INIT __init 3.18 ++static void(*error)(char *m); 3.19 ++#endif 3.20 ++ 3.21 ++#endif 3.22 + 3.23 +--- linux-2.6.30.6/include/linux/decompress/inflate_mm.h 3.24 ++++ linux-2.6.30.6/include/linux/decompress/inflate_mm.h 3.25 +@@ -0,0 +1,13 @@ 3.26 ++#ifndef INFLATE_MM_H 3.27 ++#define INFLATE_MM_H 3.28 ++ 3.29 ++#ifdef STATIC 3.30 ++/* Code active when included from pre-boot environment: */ 3.31 ++#define INIT 3.32 ++#else 3.33 ++/* Compile for initramfs/initrd code only */ 3.34 ++#define INIT __init 3.35 ++static void(*error)(char *m); 3.36 ++#endif 3.37 ++ 3.38 ++#endif 3.39 + 3.40 +#--- linux-2.6.30.6/include/linux/decompress/mm.h 3.41 +#+++ linux-2.6.30.6/include/linux/decompress/mm.h 3.42 +@@ -63,8 +63,6 @@ 3.43 + 3.44 + #define set_error_fn(x) 3.45 + 3.46 +-#define INIT 3.47 +- 3.48 + #else /* STATIC */ 3.49 + 3.50 + /* Code active when compiled standalone for use when loading ramdisk: */ 3.51 +@@ -84,10 +82,8 @@ 3.52 + #define large_malloc(a) vmalloc(a) 3.53 + #define large_free(a) vfree(a) 3.54 + 3.55 +-static void(*error)(char *m); 3.56 + #define set_error_fn(x) error = x; 3.57 + 3.58 +-#define INIT __init 3.59 + #define STATIC 3.60 + 3.61 + #include <linux/init.h> 3.62 + 3.63 +--- linux-2.6.30.6/include/linux/decompress/unlzma_mm.h 3.64 ++++ linux-2.6.30.6/include/linux/decompress/unlzma_mm.h 3.65 +@@ -0,0 +1,20 @@ 3.66 ++#ifndef UNLZMA_MM_H 3.67 ++#define UNLZMA_MM_H 3.68 ++ 3.69 ++#ifdef STATIC 3.70 ++ 3.71 ++/* Code active when included from pre-boot environment: */ 3.72 ++#define INIT 3.73 ++ 3.74 ++#elif defined(CONFIG_DECOMPRESS_LZMA_NEEDED) 3.75 ++ 3.76 ++/* Make it available to non initramfs/initrd code */ 3.77 ++#define INIT 3.78 ++#include <linux/module.h> 3.79 ++#else 3.80 ++ 3.81 ++/* Compile for initramfs/initrd code only */ 3.82 ++#define INIT __init 3.83 ++#endif 3.84 ++ 3.85 ++#endif 3.86 + 3.87 +--- linux-2.6.30.6/lib/Kconfig 3.88 ++++ linux-2.6.30.6/lib/Kconfig 3.89 +@@ -117,6 +117,9 @@ 3.90 + config DECOMPRESS_LZMA 3.91 + tristate 3.92 + 3.93 ++config DECOMPRESS_LZMA_NEEDED 3.94 ++ boolean 3.95 ++ 3.96 + config DECOMPRESS_LZO 3.97 + select LZO_DECOMPRESS 3.98 + tristate 3.99 + 3.100 +--- linux-2.6.30.6/lib/decompress_bunzip2.c 3.101 ++++ linux-2.6.30.6/lib/decompress_bunzip2.c 3.102 +@@ -52,6 +52,7 @@ 3.103 + #include <linux/slab.h> 3.104 + #endif /* STATIC */ 3.105 + 3.106 ++#include <linux/decompress/bunzip2_mm.h> 3.107 + #include <linux/decompress/mm.h> 3.108 + 3.109 + #ifndef INT_MAX 3.110 + 3.111 +--- linux-2.6.30.6/lib/decompress_inflate.c 3.112 ++++ linux-2.6.30.6/lib/decompress_inflate.c 3.113 +@@ -23,6 +23,7 @@ 3.114 + 3.115 + #endif /* STATIC */ 3.116 + 3.117 ++#include <linux/decompress/inflate_mm.h> 3.118 + #include <linux/decompress/mm.h> 3.119 + 3.120 + #define GZIP_IOBUF_SIZE (16*1024) 3.121 + 3.122 +--- linux-2.6.30.6/lib/decompress_unlzma.c 3.123 ++++ linux-2.6.30.6/lib/decompress_unlzma.c 3.124 +@@ -36,6 +36,7 @@ 3.125 + #include <linux/slab.h> 3.126 + #endif /* STATIC */ 3.127 + 3.128 ++#include <linux/decompress/unlzma_mm.h> 3.129 + #include <linux/decompress/mm.h> 3.130 + 3.131 + #define MIN(a, b) (((a) < (b)) ? (a) : (b)) 3.132 +@@ -88,7 +89,7 @@ 3.133 + } 3.134 + 3.135 + /* Called twice: once at startup and once in rc_normalize() */ 3.136 +-static void INIT rc_read(struct rc *rc) 3.137 ++static void INIT rc_read(struct rc *rc, void(*error)(char *x)) 3.138 + { 3.139 + rc->buffer_size = rc->fill((char *)rc->buffer, LZMA_IOBUF_SIZE); 3.140 + if (rc->buffer_size <= 0) 3.141 +@@ -115,13 +116,13 @@ 3.142 + rc->range = 0xFFFFFFFF; 3.143 + } 3.144 + 3.145 +-static inline void INIT rc_init_code(struct rc *rc) 3.146 ++static inline void INIT rc_init_code(struct rc *rc, void(*error)(char *x)) 3.147 + { 3.148 + int i; 3.149 + 3.150 + for (i = 0; i < 5; i++) { 3.151 + if (rc->ptr >= rc->buffer_end) 3.152 +- rc_read(rc); 3.153 ++ rc_read(rc, error); 3.154 + rc->code = (rc->code << 8) | *rc->ptr++; 3.155 + } 3.156 + } 3.157 +@@ -134,32 +135,33 @@ 3.158 + } 3.159 + 3.160 + /* Called twice, but one callsite is in inline'd rc_is_bit_0_helper() */ 3.161 +-static void INIT rc_do_normalize(struct rc *rc) 3.162 ++static void INIT rc_do_normalize(struct rc *rc, void(*error)(char *x)) 3.163 + { 3.164 + if (rc->ptr >= rc->buffer_end) 3.165 +- rc_read(rc); 3.166 ++ rc_read(rc, error); 3.167 + rc->range <<= 8; 3.168 + rc->code = (rc->code << 8) | *rc->ptr++; 3.169 + } 3.170 +-static inline void INIT rc_normalize(struct rc *rc) 3.171 ++static inline void INIT rc_normalize(struct rc *rc, void(*error)(char *x)) 3.172 + { 3.173 + if (rc->range < (1 << RC_TOP_BITS)) 3.174 +- rc_do_normalize(rc); 3.175 ++ rc_do_normalize(rc, error); 3.176 + } 3.177 + 3.178 + /* Called 9 times */ 3.179 + /* Why rc_is_bit_0_helper exists? 3.180 + *Because we want to always expose (rc->code < rc->bound) to optimizer 3.181 + */ 3.182 +-static inline uint32_t INIT rc_is_bit_0_helper(struct rc *rc, uint16_t *p) 3.183 ++static inline uint32_t INIT rc_is_bit_0_helper(struct rc *rc, uint16_t *p, 3.184 ++ void (*error)(char *x)) 3.185 + { 3.186 +- rc_normalize(rc); 3.187 ++ rc_normalize(rc, error); 3.188 + rc->bound = *p * (rc->range >> RC_MODEL_TOTAL_BITS); 3.189 + return rc->bound; 3.190 + } 3.191 +-static inline int INIT rc_is_bit_0(struct rc *rc, uint16_t *p) 3.192 ++static inline int INIT rc_is_bit_0(struct rc *rc, uint16_t *p, void(*error)(char *x)) 3.193 + { 3.194 +- uint32_t t = rc_is_bit_0_helper(rc, p); 3.195 ++ uint32_t t = rc_is_bit_0_helper(rc, p, error); 3.196 + return rc->code < t; 3.197 + } 3.198 + 3.199 +@@ -177,9 +179,9 @@ 3.200 + } 3.201 + 3.202 + /* Called 4 times in unlzma loop */ 3.203 +-static int INIT rc_get_bit(struct rc *rc, uint16_t *p, int *symbol) 3.204 ++static int INIT rc_get_bit(struct rc *rc, uint16_t *p, int *symbol, void(*error)(char *x)) 3.205 + { 3.206 +- if (rc_is_bit_0(rc, p)) { 3.207 ++ if (rc_is_bit_0(rc, p, error)) { 3.208 + rc_update_bit_0(rc, p); 3.209 + *symbol *= 2; 3.210 + return 0; 3.211 +@@ -191,9 +193,9 @@ 3.212 + } 3.213 + 3.214 + /* Called once */ 3.215 +-static inline int INIT rc_direct_bit(struct rc *rc) 3.216 ++static inline int INIT rc_direct_bit(struct rc *rc , void(*error)(char *x)) 3.217 + { 3.218 +- rc_normalize(rc); 3.219 ++ rc_normalize(rc, error); 3.220 + rc->range >>= 1; 3.221 + if (rc->code >= rc->range) { 3.222 + rc->code -= rc->range; 3.223 +@@ -204,13 +206,14 @@ 3.224 + 3.225 + /* Called twice */ 3.226 + static inline void INIT 3.227 +-rc_bit_tree_decode(struct rc *rc, uint16_t *p, int num_levels, int *symbol) 3.228 ++rc_bit_tree_decode(struct rc *rc, uint16_t *p, int num_levels, int *symbol, 3.229 ++ void(*error)(char *x)) 3.230 + { 3.231 + int i = num_levels; 3.232 + 3.233 + *symbol = 1; 3.234 + while (i--) 3.235 +- rc_get_bit(rc, p + *symbol, symbol); 3.236 ++ rc_get_bit(rc, p + *symbol, symbol, error); 3.237 + *symbol -= 1 << num_levels; 3.238 + } 3.239 + 3.240 +@@ -406,7 +409,8 @@ 3.241 + static inline void INIT process_bit0(struct writer *wr, struct rc *rc, 3.242 + struct cstate *cst, uint16_t *p, 3.243 + int pos_state, uint16_t *prob, 3.244 +- int lc, uint32_t literal_pos_mask) { 3.245 ++ int lc, uint32_t literal_pos_mask, 3.246 ++ void(*error)(char *x)) { 3.247 + int mi = 1; 3.248 + static const int state[LZMA_NUM_STATES] = 3.249 + { 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 4, 5 }; 3.250 +@@ -427,7 +431,7 @@ 3.251 + match_byte <<= 1; 3.252 + bit = match_byte & 0x100; 3.253 + prob_lit = prob + 0x100 + bit + mi; 3.254 +- if (rc_get_bit(rc, prob_lit, &mi)) { 3.255 ++ if (rc_get_bit(rc, prob_lit, &mi, error)) { 3.256 + if (!bit) 3.257 + break; 3.258 + } else { 3.259 +@@ -438,7 +442,7 @@ 3.260 + } 3.261 + while (mi < 0x100) { 3.262 + uint16_t *prob_lit = prob + mi; 3.263 +- rc_get_bit(rc, prob_lit, &mi); 3.264 ++ rc_get_bit(rc, prob_lit, &mi, error); 3.265 + } 3.266 + write_byte(wr, mi); 3.267 + cst->state = state[cst->state]; 3.268 +@@ -446,7 +453,8 @@ 3.269 + 3.270 + static inline void INIT process_bit1(struct writer *wr, struct rc *rc, 3.271 + struct cstate *cst, uint16_t *p, 3.272 +- int pos_state, uint16_t *prob) { 3.273 ++ int pos_state, uint16_t *prob, 3.274 ++ void(*error)(char *x)) { 3.275 + int offset; 3.276 + uint16_t *prob_len; 3.277 + int num_bits; 3.278 +@@ -454,7 +459,7 @@ 3.279 + 3.280 + rc_update_bit_1(rc, prob); 3.281 + prob = p + LZMA_IS_REP + cst->state; 3.282 +- if (rc_is_bit_0(rc, prob)) { 3.283 ++ if (rc_is_bit_0(rc, prob, error)) { 3.284 + rc_update_bit_0(rc, prob); 3.285 + cst->rep3 = cst->rep2; 3.286 + cst->rep2 = cst->rep1; 3.287 +@@ -464,13 +469,13 @@ 3.288 + } else { 3.289 + rc_update_bit_1(rc, prob); 3.290 + prob += LZMA_IS_REP_G0 - LZMA_IS_REP; 3.291 +- if (rc_is_bit_0(rc, prob)) { 3.292 ++ if (rc_is_bit_0(rc, prob, error)) { 3.293 + rc_update_bit_0(rc, prob); 3.294 + prob = (p + LZMA_IS_REP_0_LONG 3.295 + + (cst->state << 3.296 + LZMA_NUM_POS_BITS_MAX) + 3.297 + pos_state); 3.298 +- if (rc_is_bit_0(rc, prob)) { 3.299 ++ if (rc_is_bit_0(rc, prob, error)) { 3.300 + rc_update_bit_0(rc, prob); 3.301 + 3.302 + cst->state = cst->state < LZMA_NUM_LIT_STATES ? 3.303 +@@ -485,13 +490,13 @@ 3.304 + 3.305 + rc_update_bit_1(rc, prob); 3.306 + prob += LZMA_IS_REP_G1 - LZMA_IS_REP_G0; 3.307 +- if (rc_is_bit_0(rc, prob)) { 3.308 ++ if (rc_is_bit_0(rc, prob, error)) { 3.309 + rc_update_bit_0(rc, prob); 3.310 + distance = cst->rep1; 3.311 + } else { 3.312 + rc_update_bit_1(rc, prob); 3.313 + prob += LZMA_IS_REP_G2 - LZMA_IS_REP_G1; 3.314 +- if (rc_is_bit_0(rc, prob)) { 3.315 ++ if (rc_is_bit_0(rc, prob, error)) { 3.316 + rc_update_bit_0(rc, prob); 3.317 + distance = cst->rep2; 3.318 + } else { 3.319 +@@ -509,7 +514,7 @@ 3.320 + } 3.321 + 3.322 + prob_len = prob + LZMA_LEN_CHOICE; 3.323 +- if (rc_is_bit_0(rc, prob_len)) { 3.324 ++ if (rc_is_bit_0(rc, prob_len, error)) { 3.325 + rc_update_bit_0(rc, prob_len); 3.326 + prob_len += LZMA_LEN_LOW - LZMA_LEN_CHOICE 3.327 + + (pos_state << 3.328 +@@ -519,7 +524,7 @@ 3.329 + } else { 3.330 + rc_update_bit_1(rc, prob_len); 3.331 + prob_len += LZMA_LEN_CHOICE_2 - LZMA_LEN_CHOICE; 3.332 +- if (rc_is_bit_0(rc, prob_len)) { 3.333 ++ if (rc_is_bit_0(rc, prob_len, error)) { 3.334 + rc_update_bit_0(rc, prob_len); 3.335 + prob_len += LZMA_LEN_MID - LZMA_LEN_CHOICE_2 3.336 + + (pos_state << 3.337 +@@ -535,7 +540,7 @@ 3.338 + } 3.339 + } 3.340 + 3.341 +- rc_bit_tree_decode(rc, prob_len, num_bits, &len); 3.342 ++ rc_bit_tree_decode(rc, prob_len, num_bits, &len, error); 3.343 + len += offset; 3.344 + 3.345 + if (cst->state < 4) { 3.346 +@@ -550,7 +555,7 @@ 3.347 + << LZMA_NUM_POS_SLOT_BITS); 3.348 + rc_bit_tree_decode(rc, prob, 3.349 + LZMA_NUM_POS_SLOT_BITS, 3.350 +- &pos_slot); 3.351 ++ &pos_slot, error); 3.352 + if (pos_slot >= LZMA_START_POS_MODEL_INDEX) { 3.353 + int i, mi; 3.354 + num_bits = (pos_slot >> 1) - 1; 3.355 +@@ -563,7 +568,7 @@ 3.356 + num_bits -= LZMA_NUM_ALIGN_BITS; 3.357 + while (num_bits--) 3.358 + cst->rep0 = (cst->rep0 << 1) | 3.359 +- rc_direct_bit(rc); 3.360 ++ rc_direct_bit(rc, error); 3.361 + prob = p + LZMA_ALIGN; 3.362 + cst->rep0 <<= LZMA_NUM_ALIGN_BITS; 3.363 + num_bits = LZMA_NUM_ALIGN_BITS; 3.364 +@@ -571,7 +576,7 @@ 3.365 + i = 1; 3.366 + mi = 1; 3.367 + while (num_bits--) { 3.368 +- if (rc_get_bit(rc, prob + mi, &mi)) 3.369 ++ if (rc_get_bit(rc, prob + mi, &mi, error)) 3.370 + cst->rep0 |= i; 3.371 + i <<= 1; 3.372 + } 3.373 +@@ -588,12 +593,12 @@ 3.374 + 3.375 + 3.376 + 3.377 +-STATIC inline int INIT unlzma(unsigned char *buf, int in_len, 3.378 ++STATIC int INIT unlzma(unsigned char *buf, int in_len, 3.379 + int(*fill)(void*, unsigned int), 3.380 + int(*flush)(void*, unsigned int), 3.381 + unsigned char *output, 3.382 + int *posp, 3.383 +- void(*error_fn)(char *x) 3.384 ++ void(*error)(char *x) 3.385 + ) 3.386 + { 3.387 + extern int cpio_flush_buffer(void*, unsigned int); 3.388 +@@ -610,7 +615,6 @@ 3.389 + unsigned char *inbuf; 3.390 + int ret = -1; 3.391 + 3.392 +- set_error_fn(error_fn); 3.393 + 3.394 + if (buf) 3.395 + inbuf = buf; 3.396 +@@ -638,7 +642,7 @@ 3.397 + 3.398 + for (i = 0; i < sizeof(header); i++) { 3.399 + if (rc.ptr >= rc.buffer_end) 3.400 +- rc_read(&rc); 3.401 ++ rc_read(&rc, error); 3.402 + ((unsigned char *)&header)[i] = *rc.ptr++; 3.403 + } 3.404 + 3.405 +@@ -683,17 +687,17 @@ 3.406 + for (i = 0; i < num_probs; i++) 3.407 + p[i] = (1 << RC_MODEL_TOTAL_BITS) >> 1; 3.408 + wr.max_index = wr.next_index = 0; 3.409 +- rc_init_code(&rc); 3.410 ++ rc_init_code(&rc, error); 3.411 + 3.412 + while (get_pos(&wr) < header.dst_size) { 3.413 + int pos_state = get_pos(&wr) & pos_state_mask; 3.414 + uint16_t *prob = p + LZMA_IS_MATCH + 3.415 + (cst.state << LZMA_NUM_POS_BITS_MAX) + pos_state; 3.416 +- if (rc_is_bit_0(&rc, prob)) 3.417 ++ if (rc_is_bit_0(&rc, prob, error)) 3.418 + process_bit0(&wr, &rc, &cst, p, pos_state, prob, 3.419 +- lc, literal_pos_mask); 3.420 ++ lc, literal_pos_mask, error); 3.421 + else { 3.422 +- process_bit1(&wr, &rc, &cst, p, pos_state, prob); 3.423 ++ process_bit1(&wr, &rc, &cst, p, pos_state, prob, error); 3.424 + if (cst.rep0 == 0) 3.425 + break; 3.426 + } 3.427 +@@ -727,6 +731,9 @@ 3.428 + exit_0: 3.429 + return ret; 3.430 + } 3.431 ++#if defined(CONFIG_DECOMPRESS_LZMA_NEEDED) && !defined(PREBOOT) 3.432 ++EXPORT_SYMBOL(unlzma); 3.433 ++#endif 3.434 + 3.435 + #ifdef PREBOOT 3.436 + STATIC int INIT decompress(unsigned char *buf, int in_len, 3.437 + 3.438 +--- linux-2.6.34/fs/squashfs/Kconfig 3.439 ++++ linux-2.6.34/fs/squashfs/Kconfig 3.440 @@ -26,6 +26,12 @@ 3.441 3.442 If unsure, say N. 3.443 @@ -14,338 +446,32 @@ 3.444 3.445 bool "Additional option for memory-constrained systems" 3.446 3.447 ---- linux-2.6.30.6/fs/squashfs/Makefile 3.448 -+++ linux-2.6.30.6/fs/squashfs/Makefile 3.449 -@@ -4,4 +4,5 @@ 3.450 - 3.451 +--- linux-2.6.34/fs/squashfs/Makefile 3.452 ++++ linux-2.6.34/fs/squashfs/Makefile 3.453 +@@ -5,3 +5,4 @@ 3.454 obj-$(CONFIG_SQUASHFS) += squashfs.o 3.455 squashfs-y += block.o cache.o dir.o export.o file.o fragment.o id.o inode.o 3.456 --squashfs-y += namei.o super.o symlink.o 3.457 -+squashfs-y += namei.o super.o symlink.o zlib_wrapper.o decompressor.o 3.458 + squashfs-y += namei.o super.o symlink.o zlib_wrapper.o decompressor.o 3.459 +squashfs-$(CONFIG_SQUASHFS_LZMA) += lzma_wrapper.o 3.460 3.461 ---- linux-2.6.30.6/fs/squashfs/block.c 3.462 -+++ linux-2.6.30.6/fs/squashfs/block.c 3.463 -@@ -29,15 +29,14 @@ 3.464 - #include <linux/fs.h> 3.465 - #include <linux/vfs.h> 3.466 - #include <linux/slab.h> 3.467 --#include <linux/mutex.h> 3.468 - #include <linux/string.h> 3.469 - #include <linux/buffer_head.h> 3.470 --#include <linux/zlib.h> 3.471 +--- linux-2.6.34/fs/squashfs/decompressor.c 3.472 ++++ linux-2.6.34/fs/squashfs/decompressor.c 3.473 +@@ -50,7 +50,11 @@ 3.474 3.475 - #include "squashfs_fs.h" 3.476 - #include "squashfs_fs_sb.h" 3.477 - #include "squashfs_fs_i.h" 3.478 - #include "squashfs.h" 3.479 -+#include "decompressor.h" 3.480 - 3.481 - /* 3.482 - * Read the metadata block length, this is stored in the first two 3.483 -@@ -153,72 +152,10 @@ 3.484 - } 3.485 - 3.486 - if (compressed) { 3.487 -- int zlib_err = 0, zlib_init = 0; 3.488 -- 3.489 -- /* 3.490 -- * Uncompress block. 3.491 -- */ 3.492 -- 3.493 -- mutex_lock(&msblk->read_data_mutex); 3.494 -- 3.495 -- msblk->stream.avail_out = 0; 3.496 -- msblk->stream.avail_in = 0; 3.497 -- 3.498 -- bytes = length; 3.499 -- do { 3.500 -- if (msblk->stream.avail_in == 0 && k < b) { 3.501 -- avail = min(bytes, msblk->devblksize - offset); 3.502 -- bytes -= avail; 3.503 -- wait_on_buffer(bh[k]); 3.504 -- if (!buffer_uptodate(bh[k])) 3.505 -- goto release_mutex; 3.506 -- 3.507 -- if (avail == 0) { 3.508 -- offset = 0; 3.509 -- put_bh(bh[k++]); 3.510 -- continue; 3.511 -- } 3.512 -- 3.513 -- msblk->stream.next_in = bh[k]->b_data + offset; 3.514 -- msblk->stream.avail_in = avail; 3.515 -- offset = 0; 3.516 -- } 3.517 -- 3.518 -- if (msblk->stream.avail_out == 0 && page < pages) { 3.519 -- msblk->stream.next_out = buffer[page++]; 3.520 -- msblk->stream.avail_out = PAGE_CACHE_SIZE; 3.521 -- } 3.522 -- 3.523 -- if (!zlib_init) { 3.524 -- zlib_err = zlib_inflateInit(&msblk->stream); 3.525 -- if (zlib_err != Z_OK) { 3.526 -- ERROR("zlib_inflateInit returned" 3.527 -- " unexpected result 0x%x," 3.528 -- " srclength %d\n", zlib_err, 3.529 -- srclength); 3.530 -- goto release_mutex; 3.531 -- } 3.532 -- zlib_init = 1; 3.533 -- } 3.534 -- 3.535 -- zlib_err = zlib_inflate(&msblk->stream, Z_SYNC_FLUSH); 3.536 -- 3.537 -- if (msblk->stream.avail_in == 0 && k < b) 3.538 -- put_bh(bh[k++]); 3.539 -- } while (zlib_err == Z_OK); 3.540 -- 3.541 -- if (zlib_err != Z_STREAM_END) { 3.542 -- ERROR("zlib_inflate error, data probably corrupt\n"); 3.543 -- goto release_mutex; 3.544 -- } 3.545 -- 3.546 -- zlib_err = zlib_inflateEnd(&msblk->stream); 3.547 -- if (zlib_err != Z_OK) { 3.548 -- ERROR("zlib_inflate error, data probably corrupt\n"); 3.549 -- goto release_mutex; 3.550 -- } 3.551 -- length = msblk->stream.total_out; 3.552 -- mutex_unlock(&msblk->read_data_mutex); 3.553 -+ length = squashfs_decompress(msblk, buffer, bh, b, offset, 3.554 -+ length, srclength, pages); 3.555 -+ if (length < 0) 3.556 -+ goto read_failure; 3.557 - } else { 3.558 - /* 3.559 - * Block is uncompressed. 3.560 -@@ -254,9 +191,6 @@ 3.561 - 3.562 - kfree(bh); 3.563 - return length; 3.564 -- 3.565 --release_mutex: 3.566 -- mutex_unlock(&msblk->read_data_mutex); 3.567 - 3.568 - block_release: 3.569 - for (; k < b; k++) 3.570 - 3.571 ---- linux-2.6.30.6/fs/squashfs/cache.c 3.572 -+++ linux-2.6.30.6/fs/squashfs/cache.c 3.573 -@@ -51,7 +51,6 @@ 3.574 - #include <linux/sched.h> 3.575 - #include <linux/spinlock.h> 3.576 - #include <linux/wait.h> 3.577 --#include <linux/zlib.h> 3.578 - #include <linux/pagemap.h> 3.579 - 3.580 - #include "squashfs_fs.h" 3.581 - 3.582 ---- linux-2.6.30.6/fs/squashfs/decompressor.c 3.583 -+++ linux-2.6.30.6/fs/squashfs/decompressor.c 3.584 -@@ -0,0 +1,72 @@ 3.585 -+/* 3.586 -+ * Squashfs - a compressed read only filesystem for Linux 3.587 -+ * 3.588 -+ * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 3.589 -+ * Phillip Lougher <phillip@lougher.demon.co.uk> 3.590 -+ * 3.591 -+ * This program is free software; you can redistribute it and/or 3.592 -+ * modify it under the terms of the GNU General Public License 3.593 -+ * as published by the Free Software Foundation; either version 2, 3.594 -+ * or (at your option) any later version. 3.595 -+ * 3.596 -+ * This program is distributed in the hope that it will be useful, 3.597 -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of 3.598 -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 3.599 -+ * GNU General Public License for more details. 3.600 -+ * 3.601 -+ * You should have received a copy of the GNU General Public License 3.602 -+ * along with this program; if not, write to the Free Software 3.603 -+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 3.604 -+ * 3.605 -+ * decompressor.c 3.606 -+ */ 3.607 -+ 3.608 -+#include <linux/types.h> 3.609 -+#include <linux/mutex.h> 3.610 -+#include <linux/buffer_head.h> 3.611 -+ 3.612 -+#include "squashfs_fs.h" 3.613 -+#include "squashfs_fs_sb.h" 3.614 -+#include "squashfs_fs_i.h" 3.615 -+#include "decompressor.h" 3.616 -+#include "squashfs.h" 3.617 -+ 3.618 -+/* 3.619 -+ * This file (and decompressor.h) implements a decompressor framework for 3.620 -+ * Squashfs, allowing multiple decompressors to be easily supported 3.621 -+ */ 3.622 -+ 3.623 -+static const struct squashfs_decompressor squashfs_lzma_unsupported_comp_ops = { 3.624 -+ NULL, NULL, NULL, LZMA_COMPRESSION, "lzma", 0 3.625 -+}; 3.626 -+ 3.627 -+static const struct squashfs_decompressor squashfs_lzo_unsupported_comp_ops = { 3.628 -+ NULL, NULL, NULL, LZO_COMPRESSION, "lzo", 0 3.629 -+}; 3.630 -+ 3.631 -+static const struct squashfs_decompressor squashfs_unknown_comp_ops = { 3.632 -+ NULL, NULL, NULL, 0, "unknown", 0 3.633 -+}; 3.634 -+ 3.635 -+static const struct squashfs_decompressor *decompressor[] = { 3.636 -+ &squashfs_zlib_comp_ops, 3.637 + static const struct squashfs_decompressor *decompressor[] = { 3.638 + &squashfs_zlib_comp_ops, 3.639 +#ifdef CONFIG_SQUASHFS_LZMA 3.640 + &squashfs_lzma_comp_ops, 3.641 +#else 3.642 -+ &squashfs_lzma_unsupported_comp_ops, 3.643 + &squashfs_lzma_unsupported_comp_ops, 3.644 +#endif 3.645 -+ &squashfs_lzo_unsupported_comp_ops, 3.646 -+ &squashfs_unknown_comp_ops 3.647 -+}; 3.648 -+ 3.649 -+ 3.650 -+const struct squashfs_decompressor *squashfs_lookup_decompressor(int id) 3.651 -+{ 3.652 -+ int i; 3.653 -+ 3.654 -+ for (i = 0; decompressor[i]->id; i++) 3.655 -+ if (id == decompressor[i]->id) 3.656 -+ break; 3.657 -+ 3.658 -+ return decompressor[i]; 3.659 -+} 3.660 + &squashfs_lzo_unsupported_comp_ops, 3.661 + &squashfs_unknown_comp_ops 3.662 + }; 3.663 3.664 ---- linux-2.6.30.6/fs/squashfs/decompressor.h 3.665 -+++ linux-2.6.30.6/fs/squashfs/decompressor.h 3.666 -@@ -0,0 +1,55 @@ 3.667 -+#ifndef DECOMPRESSOR_H 3.668 -+#define DECOMPRESSOR_H 3.669 -+/* 3.670 -+ * Squashfs - a compressed read only filesystem for Linux 3.671 -+ * 3.672 -+ * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 3.673 -+ * Phillip Lougher <phillip@lougher.demon.co.uk> 3.674 -+ * 3.675 -+ * This program is free software; you can redistribute it and/or 3.676 -+ * modify it under the terms of the GNU General Public License 3.677 -+ * as published by the Free Software Foundation; either version 2, 3.678 -+ * or (at your option) any later version. 3.679 -+ * 3.680 -+ * This program is distributed in the hope that it will be useful, 3.681 -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of 3.682 -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 3.683 -+ * GNU General Public License for more details. 3.684 -+ * 3.685 -+ * You should have received a copy of the GNU General Public License 3.686 -+ * along with this program; if not, write to the Free Software 3.687 -+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 3.688 -+ * 3.689 -+ * decompressor.h 3.690 -+ */ 3.691 -+ 3.692 -+struct squashfs_decompressor { 3.693 -+ void *(*init)(struct squashfs_sb_info *); 3.694 -+ void (*free)(void *); 3.695 -+ int (*decompress)(struct squashfs_sb_info *, void **, 3.696 -+ struct buffer_head **, int, int, int, int, int); 3.697 -+ int id; 3.698 -+ char *name; 3.699 -+ int supported; 3.700 -+}; 3.701 -+ 3.702 -+static inline void *squashfs_decompressor_init(struct squashfs_sb_info *msblk) 3.703 -+{ 3.704 -+ return msblk->decompressor->init(msblk); 3.705 -+} 3.706 -+ 3.707 -+static inline void squashfs_decompressor_free(struct squashfs_sb_info *msblk, 3.708 -+ void *s) 3.709 -+{ 3.710 -+ if (msblk->decompressor) 3.711 -+ msblk->decompressor->free(s); 3.712 -+} 3.713 -+ 3.714 -+static inline int squashfs_decompress(struct squashfs_sb_info *msblk, 3.715 -+ void **buffer, struct buffer_head **bh, int b, int offset, int length, 3.716 -+ int srclength, int pages) 3.717 -+{ 3.718 -+ return msblk->decompressor->decompress(msblk, buffer, bh, b, offset, 3.719 -+ length, srclength, pages); 3.720 -+} 3.721 -+#endif 3.722 - 3.723 ---- linux-2.6.30.6/fs/squashfs/dir.c 3.724 -+++ linux-2.6.30.6/fs/squashfs/dir.c 3.725 -@@ -30,7 +30,6 @@ 3.726 - #include <linux/fs.h> 3.727 - #include <linux/vfs.h> 3.728 - #include <linux/slab.h> 3.729 --#include <linux/zlib.h> 3.730 - 3.731 - #include "squashfs_fs.h" 3.732 - #include "squashfs_fs_sb.h" 3.733 - 3.734 ---- linux-2.6.30.6/fs/squashfs/export.c 3.735 -+++ linux-2.6.30.6/fs/squashfs/export.c 3.736 -@@ -39,7 +39,6 @@ 3.737 - #include <linux/vfs.h> 3.738 - #include <linux/dcache.h> 3.739 - #include <linux/exportfs.h> 3.740 --#include <linux/zlib.h> 3.741 - #include <linux/slab.h> 3.742 - 3.743 - #include "squashfs_fs.h" 3.744 - 3.745 ---- linux-2.6.30.6/fs/squashfs/file.c 3.746 -+++ linux-2.6.30.6/fs/squashfs/file.c 3.747 -@@ -47,7 +47,6 @@ 3.748 - #include <linux/string.h> 3.749 - #include <linux/pagemap.h> 3.750 - #include <linux/mutex.h> 3.751 --#include <linux/zlib.h> 3.752 - 3.753 - #include "squashfs_fs.h" 3.754 - #include "squashfs_fs_sb.h" 3.755 - 3.756 ---- linux-2.6.30.6/fs/squashfs/fragment.c 3.757 -+++ linux-2.6.30.6/fs/squashfs/fragment.c 3.758 -@@ -36,7 +36,6 @@ 3.759 - #include <linux/fs.h> 3.760 - #include <linux/vfs.h> 3.761 - #include <linux/slab.h> 3.762 --#include <linux/zlib.h> 3.763 - 3.764 - #include "squashfs_fs.h" 3.765 - #include "squashfs_fs_sb.h" 3.766 - 3.767 ---- linux-2.6.30.6/fs/squashfs/id.c 3.768 -+++ linux-2.6.30.6/fs/squashfs/id.c 3.769 -@@ -34,7 +34,6 @@ 3.770 - #include <linux/fs.h> 3.771 - #include <linux/vfs.h> 3.772 - #include <linux/slab.h> 3.773 --#include <linux/zlib.h> 3.774 - 3.775 - #include "squashfs_fs.h" 3.776 - #include "squashfs_fs_sb.h" 3.777 - 3.778 ---- linux-2.6.30.6/fs/squashfs/inode.c 3.779 -+++ linux-2.6.30.6/fs/squashfs/inode.c 3.780 -@@ -40,7 +40,6 @@ 3.781 - 3.782 - #include <linux/fs.h> 3.783 - #include <linux/vfs.h> 3.784 --#include <linux/zlib.h> 3.785 - 3.786 - #include "squashfs_fs.h" 3.787 - #include "squashfs_fs_sb.h" 3.788 - 3.789 ---- linux-2.6.30.6/fs/squashfs/lzma_wrapper.c 3.790 -+++ linux-2.6.30.6/fs/squashfs/lzma_wrapper.c 3.791 -@@ -0,0 +1,151 @@ 3.792 +--- linux-2.6.34/fs/squashfs/lzma_wrapper.c 3.793 ++++ linux-2.6.34/fs/squashfs/lzma_wrapper.c 3.794 +@@ -0,0 +1,152 @@ 3.795 +/* 3.796 + * Squashfs - a compressed read only filesystem for Linux 3.797 + * 3.798 @@ -370,6 +496,7 @@ 3.799 + */ 3.800 + 3.801 +#include <asm/unaligned.h> 3.802 ++#include <linux/slab.h> 3.803 +#include <linux/buffer_head.h> 3.804 +#include <linux/mutex.h> 3.805 +#include <linux/vmalloc.h> 3.806 @@ -498,1127 +625,13 @@ 3.807 +}; 3.808 + 3.809 3.810 ---- linux-2.6.30.6/fs/squashfs/namei.c 3.811 -+++ linux-2.6.30.6/fs/squashfs/namei.c 3.812 -@@ -57,7 +57,6 @@ 3.813 - #include <linux/slab.h> 3.814 - #include <linux/string.h> 3.815 - #include <linux/dcache.h> 3.816 --#include <linux/zlib.h> 3.817 +--- linux-2.6.34/fs/squashfs/squashfs.h 3.818 ++++ linux-2.6.34/fs/squashfs/squashfs.h 3.819 +@@ -94,3 +94,6 @@ 3.820 3.821 - #include "squashfs_fs.h" 3.822 - #include "squashfs_fs_sb.h" 3.823 - 3.824 ---- linux-2.6.30.6/fs/squashfs/squashfs.h 3.825 -+++ linux-2.6.30.6/fs/squashfs/squashfs.h 3.826 -@@ -51,6 +51,9 @@ 3.827 - u64, int); 3.828 - extern int squashfs_read_table(struct super_block *, void *, u64, int); 3.829 - 3.830 -+/* decompressor.c */ 3.831 -+extern const struct squashfs_decompressor *squashfs_lookup_decompressor(int); 3.832 -+ 3.833 - /* export.c */ 3.834 - extern __le64 *squashfs_read_inode_lookup_table(struct super_block *, u64, 3.835 - unsigned int); 3.836 -@@ -71,7 +74,7 @@ 3.837 - extern int squashfs_read_inode(struct inode *, long long); 3.838 - 3.839 - /* 3.840 -- * Inodes and files operations 3.841 -+ * Inodes, files and decompressor operations 3.842 - */ 3.843 - 3.844 - /* dir.c */ 3.845 -@@ -88,3 +91,9 @@ 3.846 - 3.847 - /* symlink.c */ 3.848 - extern const struct address_space_operations squashfs_symlink_aops; 3.849 -+ 3.850 -+/* zlib_wrapper.c */ 3.851 -+extern const struct squashfs_decompressor squashfs_zlib_comp_ops; 3.852 + /* zlib_wrapper.c */ 3.853 + extern const struct squashfs_decompressor squashfs_zlib_comp_ops; 3.854 + 3.855 +/* lzma wrapper.c */ 3.856 +extern const struct squashfs_decompressor squashfs_lzma_comp_ops; 3.857 3.858 ---- linux-2.6.30.6/fs/squashfs/squashfs_fs.h 3.859 -+++ linux-2.6.30.6/fs/squashfs/squashfs_fs.h 3.860 -@@ -211,7 +211,9 @@ 3.861 - /* 3.862 - * definitions for structures on disk 3.863 - */ 3.864 --#define ZLIB_COMPRESSION 1 3.865 -+#define ZLIB_COMPRESSION 1 3.866 -+#define LZMA_COMPRESSION 2 3.867 -+#define LZO_COMPRESSION 3 3.868 - 3.869 - struct squashfs_super_block { 3.870 - __le32 s_magic; 3.871 - 3.872 ---- linux-2.6.30.6/fs/squashfs/squashfs_fs_sb.h 3.873 -+++ linux-2.6.30.6/fs/squashfs/squashfs_fs_sb.h 3.874 -@@ -52,25 +52,26 @@ 3.875 - }; 3.876 - 3.877 - struct squashfs_sb_info { 3.878 -- int devblksize; 3.879 -- int devblksize_log2; 3.880 -- struct squashfs_cache *block_cache; 3.881 -- struct squashfs_cache *fragment_cache; 3.882 -- struct squashfs_cache *read_page; 3.883 -- int next_meta_index; 3.884 -- __le64 *id_table; 3.885 -- __le64 *fragment_index; 3.886 -- unsigned int *fragment_index_2; 3.887 -- struct mutex read_data_mutex; 3.888 -- struct mutex meta_index_mutex; 3.889 -- struct meta_index *meta_index; 3.890 -- z_stream stream; 3.891 -- __le64 *inode_lookup_table; 3.892 -- u64 inode_table; 3.893 -- u64 directory_table; 3.894 -- unsigned int block_size; 3.895 -- unsigned short block_log; 3.896 -- long long bytes_used; 3.897 -- unsigned int inodes; 3.898 -+ const struct squashfs_decompressor *decompressor; 3.899 -+ int devblksize; 3.900 -+ int devblksize_log2; 3.901 -+ struct squashfs_cache *block_cache; 3.902 -+ struct squashfs_cache *fragment_cache; 3.903 -+ struct squashfs_cache *read_page; 3.904 -+ int next_meta_index; 3.905 -+ __le64 *id_table; 3.906 -+ __le64 *fragment_index; 3.907 -+ unsigned int *fragment_index_2; 3.908 -+ struct mutex read_data_mutex; 3.909 -+ struct mutex meta_index_mutex; 3.910 -+ struct meta_index *meta_index; 3.911 -+ void *stream; 3.912 -+ __le64 *inode_lookup_table; 3.913 -+ u64 inode_table; 3.914 -+ u64 directory_table; 3.915 -+ unsigned int block_size; 3.916 -+ unsigned short block_log; 3.917 -+ long long bytes_used; 3.918 -+ unsigned int inodes; 3.919 - }; 3.920 - #endif 3.921 - 3.922 ---- linux-2.6.30.6/fs/squashfs/super.c 3.923 -+++ linux-2.6.30.6/fs/squashfs/super.c 3.924 -@@ -30,38 +30,46 @@ 3.925 - #include <linux/fs.h> 3.926 - #include <linux/vfs.h> 3.927 - #include <linux/slab.h> 3.928 -+#include <linux/smp_lock.h> 3.929 - #include <linux/mutex.h> 3.930 - #include <linux/pagemap.h> 3.931 - #include <linux/init.h> 3.932 - #include <linux/module.h> 3.933 --#include <linux/zlib.h> 3.934 - #include <linux/magic.h> 3.935 - 3.936 - #include "squashfs_fs.h" 3.937 - #include "squashfs_fs_sb.h" 3.938 - #include "squashfs_fs_i.h" 3.939 - #include "squashfs.h" 3.940 -+#include "decompressor.h" 3.941 - 3.942 - static struct file_system_type squashfs_fs_type; 3.943 --static struct super_operations squashfs_super_ops; 3.944 -+static const struct super_operations squashfs_super_ops; 3.945 - 3.946 --static int supported_squashfs_filesystem(short major, short minor, short comp) 3.947 -+static const struct squashfs_decompressor *supported_squashfs_filesystem(short 3.948 -+ major, short minor, short id) 3.949 - { 3.950 -+ const struct squashfs_decompressor *decompressor; 3.951 -+ 3.952 - if (major < SQUASHFS_MAJOR) { 3.953 - ERROR("Major/Minor mismatch, older Squashfs %d.%d " 3.954 - "filesystems are unsupported\n", major, minor); 3.955 -- return -EINVAL; 3.956 -+ return NULL; 3.957 - } else if (major > SQUASHFS_MAJOR || minor > SQUASHFS_MINOR) { 3.958 - ERROR("Major/Minor mismatch, trying to mount newer " 3.959 - "%d.%d filesystem\n", major, minor); 3.960 - ERROR("Please update your kernel\n"); 3.961 -- return -EINVAL; 3.962 -+ return NULL; 3.963 - } 3.964 - 3.965 -- if (comp != ZLIB_COMPRESSION) 3.966 -- return -EINVAL; 3.967 -+ decompressor = squashfs_lookup_decompressor(id); 3.968 -+ if (!decompressor->supported) { 3.969 -+ ERROR("Filesystem uses \"%s\" compression. This is not " 3.970 -+ "supported\n", decompressor->name); 3.971 -+ return NULL; 3.972 -+ } 3.973 - 3.974 -- return 0; 3.975 -+ return decompressor; 3.976 - } 3.977 - 3.978 - 3.979 -@@ -86,13 +94,6 @@ 3.980 - } 3.981 - msblk = sb->s_fs_info; 3.982 - 3.983 -- msblk->stream.workspace = kmalloc(zlib_inflate_workspacesize(), 3.984 -- GFP_KERNEL); 3.985 -- if (msblk->stream.workspace == NULL) { 3.986 -- ERROR("Failed to allocate zlib workspace\n"); 3.987 -- goto failure; 3.988 -- } 3.989 -- 3.990 - sblk = kzalloc(sizeof(*sblk), GFP_KERNEL); 3.991 - if (sblk == NULL) { 3.992 - ERROR("Failed to allocate squashfs_super_block\n"); 3.993 -@@ -119,25 +120,25 @@ 3.994 - goto failed_mount; 3.995 - } 3.996 - 3.997 -+ err = -EINVAL; 3.998 -+ 3.999 - /* Check it is a SQUASHFS superblock */ 3.1000 - sb->s_magic = le32_to_cpu(sblk->s_magic); 3.1001 - if (sb->s_magic != SQUASHFS_MAGIC) { 3.1002 - if (!silent) 3.1003 - ERROR("Can't find a SQUASHFS superblock on %s\n", 3.1004 - bdevname(sb->s_bdev, b)); 3.1005 -- err = -EINVAL; 3.1006 - goto failed_mount; 3.1007 - } 3.1008 - 3.1009 -- /* Check the MAJOR & MINOR versions and compression type */ 3.1010 -- err = supported_squashfs_filesystem(le16_to_cpu(sblk->s_major), 3.1011 -+ /* Check the MAJOR & MINOR versions and lookup compression type */ 3.1012 -+ msblk->decompressor = supported_squashfs_filesystem( 3.1013 -+ le16_to_cpu(sblk->s_major), 3.1014 - le16_to_cpu(sblk->s_minor), 3.1015 - le16_to_cpu(sblk->compression)); 3.1016 -- if (err < 0) 3.1017 -+ if (msblk->decompressor == NULL) 3.1018 - goto failed_mount; 3.1019 - 3.1020 -- err = -EINVAL; 3.1021 -- 3.1022 - /* 3.1023 - * Check if there's xattrs in the filesystem. These are not 3.1024 - * supported in this version, so warn that they will be ignored. 3.1025 -@@ -204,6 +205,10 @@ 3.1026 - 3.1027 - err = -ENOMEM; 3.1028 - 3.1029 -+ msblk->stream = squashfs_decompressor_init(msblk); 3.1030 -+ if (msblk->stream == NULL) 3.1031 -+ goto failed_mount; 3.1032 -+ 3.1033 - msblk->block_cache = squashfs_cache_init("metadata", 3.1034 - SQUASHFS_CACHED_BLKS, SQUASHFS_METADATA_SIZE); 3.1035 - if (msblk->block_cache == NULL) 3.1036 -@@ -291,17 +296,16 @@ 3.1037 - squashfs_cache_delete(msblk->block_cache); 3.1038 - squashfs_cache_delete(msblk->fragment_cache); 3.1039 - squashfs_cache_delete(msblk->read_page); 3.1040 -+ squashfs_decompressor_free(msblk, msblk->stream); 3.1041 - kfree(msblk->inode_lookup_table); 3.1042 - kfree(msblk->fragment_index); 3.1043 - kfree(msblk->id_table); 3.1044 -- kfree(msblk->stream.workspace); 3.1045 - kfree(sb->s_fs_info); 3.1046 - sb->s_fs_info = NULL; 3.1047 - kfree(sblk); 3.1048 - return err; 3.1049 - 3.1050 - failure: 3.1051 -- kfree(msblk->stream.workspace); 3.1052 - kfree(sb->s_fs_info); 3.1053 - sb->s_fs_info = NULL; 3.1054 - return -ENOMEM; 3.1055 -@@ -338,18 +342,22 @@ 3.1056 - 3.1057 - static void squashfs_put_super(struct super_block *sb) 3.1058 - { 3.1059 -+ lock_kernel(); 3.1060 -+ 3.1061 - if (sb->s_fs_info) { 3.1062 - struct squashfs_sb_info *sbi = sb->s_fs_info; 3.1063 - squashfs_cache_delete(sbi->block_cache); 3.1064 - squashfs_cache_delete(sbi->fragment_cache); 3.1065 - squashfs_cache_delete(sbi->read_page); 3.1066 -+ squashfs_decompressor_free(sbi, sbi->stream); 3.1067 - kfree(sbi->id_table); 3.1068 - kfree(sbi->fragment_index); 3.1069 - kfree(sbi->meta_index); 3.1070 -- kfree(sbi->stream.workspace); 3.1071 - kfree(sb->s_fs_info); 3.1072 - sb->s_fs_info = NULL; 3.1073 - } 3.1074 -+ 3.1075 -+ unlock_kernel(); 3.1076 - } 3.1077 - 3.1078 - 3.1079 -@@ -439,7 +447,7 @@ 3.1080 - .fs_flags = FS_REQUIRES_DEV 3.1081 - }; 3.1082 - 3.1083 --static struct super_operations squashfs_super_ops = { 3.1084 -+static const struct super_operations squashfs_super_ops = { 3.1085 - .alloc_inode = squashfs_alloc_inode, 3.1086 - .destroy_inode = squashfs_destroy_inode, 3.1087 - .statfs = squashfs_statfs, 3.1088 - 3.1089 ---- linux-2.6.30.6/fs/squashfs/symlink.c 3.1090 -+++ linux-2.6.30.6/fs/squashfs/symlink.c 3.1091 -@@ -36,7 +36,6 @@ 3.1092 - #include <linux/slab.h> 3.1093 - #include <linux/string.h> 3.1094 - #include <linux/pagemap.h> 3.1095 --#include <linux/zlib.h> 3.1096 - 3.1097 - #include "squashfs_fs.h" 3.1098 - #include "squashfs_fs_sb.h" 3.1099 - 3.1100 ---- linux-2.6.30.6/fs/squashfs/zlib_wrapper.c 3.1101 -+++ linux-2.6.30.6/fs/squashfs/zlib_wrapper.c 3.1102 -@@ -0,0 +1,150 @@ 3.1103 -+/* 3.1104 -+ * Squashfs - a compressed read only filesystem for Linux 3.1105 -+ * 3.1106 -+ * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 3.1107 -+ * Phillip Lougher <phillip@lougher.demon.co.uk> 3.1108 -+ * 3.1109 -+ * This program is free software; you can redistribute it and/or 3.1110 -+ * modify it under the terms of the GNU General Public License 3.1111 -+ * as published by the Free Software Foundation; either version 2, 3.1112 -+ * or (at your option) any later version. 3.1113 -+ * 3.1114 -+ * This program is distributed in the hope that it will be useful, 3.1115 -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of 3.1116 -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 3.1117 -+ * GNU General Public License for more details. 3.1118 -+ * 3.1119 -+ * You should have received a copy of the GNU General Public License 3.1120 -+ * along with this program; if not, write to the Free Software 3.1121 -+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 3.1122 -+ * 3.1123 -+ * zlib_wrapper.c 3.1124 -+ */ 3.1125 -+ 3.1126 -+ 3.1127 -+#include <linux/mutex.h> 3.1128 -+#include <linux/buffer_head.h> 3.1129 -+#include <linux/zlib.h> 3.1130 -+ 3.1131 -+#include "squashfs_fs.h" 3.1132 -+#include "squashfs_fs_sb.h" 3.1133 -+#include "squashfs_fs_i.h" 3.1134 -+#include "squashfs.h" 3.1135 -+#include "decompressor.h" 3.1136 -+ 3.1137 -+static void *zlib_init(struct squashfs_sb_info *dummy) 3.1138 -+{ 3.1139 -+ z_stream *stream = kmalloc(sizeof(z_stream), GFP_KERNEL); 3.1140 -+ if (stream == NULL) 3.1141 -+ goto failed; 3.1142 -+ stream->workspace = kmalloc(zlib_inflate_workspacesize(), 3.1143 -+ GFP_KERNEL); 3.1144 -+ if (stream->workspace == NULL) 3.1145 -+ goto failed; 3.1146 -+ 3.1147 -+ return stream; 3.1148 -+ 3.1149 -+failed: 3.1150 -+ ERROR("Failed to allocate zlib workspace\n"); 3.1151 -+ kfree(stream); 3.1152 -+ return NULL; 3.1153 -+} 3.1154 -+ 3.1155 -+ 3.1156 -+static void zlib_free(void *strm) 3.1157 -+{ 3.1158 -+ z_stream *stream = strm; 3.1159 -+ 3.1160 -+ if (stream) 3.1161 -+ kfree(stream->workspace); 3.1162 -+ kfree(stream); 3.1163 -+} 3.1164 -+ 3.1165 -+ 3.1166 -+static int zlib_uncompress(struct squashfs_sb_info *msblk, void **buffer, 3.1167 -+ struct buffer_head **bh, int b, int offset, int length, int srclength, 3.1168 -+ int pages) 3.1169 -+{ 3.1170 -+ int zlib_err = 0, zlib_init = 0; 3.1171 -+ int avail, bytes, k = 0, page = 0; 3.1172 -+ z_stream *stream = msblk->stream; 3.1173 -+ 3.1174 -+ mutex_lock(&msblk->read_data_mutex); 3.1175 -+ 3.1176 -+ stream->avail_out = 0; 3.1177 -+ stream->avail_in = 0; 3.1178 -+ 3.1179 -+ bytes = length; 3.1180 -+ do { 3.1181 -+ if (stream->avail_in == 0 && k < b) { 3.1182 -+ avail = min(bytes, msblk->devblksize - offset); 3.1183 -+ bytes -= avail; 3.1184 -+ wait_on_buffer(bh[k]); 3.1185 -+ if (!buffer_uptodate(bh[k])) 3.1186 -+ goto release_mutex; 3.1187 -+ 3.1188 -+ if (avail == 0) { 3.1189 -+ offset = 0; 3.1190 -+ put_bh(bh[k++]); 3.1191 -+ continue; 3.1192 -+ } 3.1193 -+ 3.1194 -+ stream->next_in = bh[k]->b_data + offset; 3.1195 -+ stream->avail_in = avail; 3.1196 -+ offset = 0; 3.1197 -+ } 3.1198 -+ 3.1199 -+ if (stream->avail_out == 0 && page < pages) { 3.1200 -+ stream->next_out = buffer[page++]; 3.1201 -+ stream->avail_out = PAGE_CACHE_SIZE; 3.1202 -+ } 3.1203 -+ 3.1204 -+ if (!zlib_init) { 3.1205 -+ zlib_err = zlib_inflateInit(stream); 3.1206 -+ if (zlib_err != Z_OK) { 3.1207 -+ ERROR("zlib_inflateInit returned unexpected " 3.1208 -+ "result 0x%x, srclength %d\n", 3.1209 -+ zlib_err, srclength); 3.1210 -+ goto release_mutex; 3.1211 -+ } 3.1212 -+ zlib_init = 1; 3.1213 -+ } 3.1214 -+ 3.1215 -+ zlib_err = zlib_inflate(stream, Z_SYNC_FLUSH); 3.1216 -+ 3.1217 -+ if (stream->avail_in == 0 && k < b) 3.1218 -+ put_bh(bh[k++]); 3.1219 -+ } while (zlib_err == Z_OK); 3.1220 -+ 3.1221 -+ if (zlib_err != Z_STREAM_END) { 3.1222 -+ ERROR("zlib_inflate error, data probably corrupt\n"); 3.1223 -+ goto release_mutex; 3.1224 -+ } 3.1225 -+ 3.1226 -+ zlib_err = zlib_inflateEnd(stream); 3.1227 -+ if (zlib_err != Z_OK) { 3.1228 -+ ERROR("zlib_inflate error, data probably corrupt\n"); 3.1229 -+ goto release_mutex; 3.1230 -+ } 3.1231 -+ 3.1232 -+ mutex_unlock(&msblk->read_data_mutex); 3.1233 -+ return stream->total_out; 3.1234 -+ 3.1235 -+release_mutex: 3.1236 -+ mutex_unlock(&msblk->read_data_mutex); 3.1237 -+ 3.1238 -+ for (; k < b; k++) 3.1239 -+ put_bh(bh[k]); 3.1240 -+ 3.1241 -+ return -EIO; 3.1242 -+} 3.1243 -+ 3.1244 -+const struct squashfs_decompressor squashfs_zlib_comp_ops = { 3.1245 -+ .init = zlib_init, 3.1246 -+ .free = zlib_free, 3.1247 -+ .decompress = zlib_uncompress, 3.1248 -+ .id = ZLIB_COMPRESSION, 3.1249 -+ .name = "zlib", 3.1250 -+ .supported = 1 3.1251 -+}; 3.1252 -+ 3.1253 - 3.1254 ---- linux-2.6.30.6/include/linux/decompress/bunzip2_mm.h 3.1255 -+++ linux-2.6.30.6/include/linux/decompress/bunzip2_mm.h 3.1256 -@@ -0,0 +1,13 @@ 3.1257 -+#ifndef BUNZIP2_MM_H 3.1258 -+#define BUNZIP2_MM_H 3.1259 -+ 3.1260 -+#ifdef STATIC 3.1261 -+/* Code active when included from pre-boot environment: */ 3.1262 -+#define INIT 3.1263 -+#else 3.1264 -+/* Compile for initramfs/initrd code only */ 3.1265 -+#define INIT __init 3.1266 -+static void(*error)(char *m); 3.1267 -+#endif 3.1268 -+ 3.1269 -+#endif 3.1270 - 3.1271 ---- linux-2.6.30.6/include/linux/decompress/inflate_mm.h 3.1272 -+++ linux-2.6.30.6/include/linux/decompress/inflate_mm.h 3.1273 -@@ -0,0 +1,13 @@ 3.1274 -+#ifndef INFLATE_MM_H 3.1275 -+#define INFLATE_MM_H 3.1276 -+ 3.1277 -+#ifdef STATIC 3.1278 -+/* Code active when included from pre-boot environment: */ 3.1279 -+#define INIT 3.1280 -+#else 3.1281 -+/* Compile for initramfs/initrd code only */ 3.1282 -+#define INIT __init 3.1283 -+static void(*error)(char *m); 3.1284 -+#endif 3.1285 -+ 3.1286 -+#endif 3.1287 - 3.1288 ---- linux-2.6.30.6/include/linux/decompress/mm.h 3.1289 -+++ linux-2.6.30.6/include/linux/decompress/mm.h 3.1290 -@@ -25,7 +25,7 @@ 3.1291 - void *p; 3.1292 - 3.1293 - if (size < 0) 3.1294 -- error("Malloc error"); 3.1295 -+ return NULL; 3.1296 - if (!malloc_ptr) 3.1297 - malloc_ptr = free_mem_ptr; 3.1298 - 3.1299 -@@ -35,7 +35,7 @@ 3.1300 - malloc_ptr += size; 3.1301 - 3.1302 - if (free_mem_end_ptr && malloc_ptr >= free_mem_end_ptr) 3.1303 -- error("Out of memory"); 3.1304 -+ return NULL; 3.1305 - 3.1306 - malloc_count++; 3.1307 - return p; 3.1308 -@@ -53,8 +53,6 @@ 3.1309 - 3.1310 - #define set_error_fn(x) 3.1311 - 3.1312 --#define INIT 3.1313 -- 3.1314 - #else /* STATIC */ 3.1315 - 3.1316 - /* Code active when compiled standalone for use when loading ramdisk: */ 3.1317 -@@ -74,10 +72,8 @@ 3.1318 - #define large_malloc(a) vmalloc(a) 3.1319 - #define large_free(a) vfree(a) 3.1320 - 3.1321 --static void(*error)(char *m); 3.1322 - #define set_error_fn(x) error = x; 3.1323 - 3.1324 --#define INIT __init 3.1325 - #define STATIC 3.1326 - 3.1327 - #include <linux/init.h> 3.1328 - 3.1329 ---- linux-2.6.30.6/include/linux/decompress/unlzma_mm.h 3.1330 -+++ linux-2.6.30.6/include/linux/decompress/unlzma_mm.h 3.1331 -@@ -0,0 +1,20 @@ 3.1332 -+#ifndef UNLZMA_MM_H 3.1333 -+#define UNLZMA_MM_H 3.1334 -+ 3.1335 -+#ifdef STATIC 3.1336 -+ 3.1337 -+/* Code active when included from pre-boot environment: */ 3.1338 -+#define INIT 3.1339 -+ 3.1340 -+#elif defined(CONFIG_DECOMPRESS_LZMA_NEEDED) 3.1341 -+ 3.1342 -+/* Make it available to non initramfs/initrd code */ 3.1343 -+#define INIT 3.1344 -+#include <linux/module.h> 3.1345 -+#else 3.1346 -+ 3.1347 -+/* Compile for initramfs/initrd code only */ 3.1348 -+#define INIT __init 3.1349 -+#endif 3.1350 -+ 3.1351 -+#endif 3.1352 - 3.1353 ---- linux-2.6.30.6/lib/Kconfig 3.1354 -+++ linux-2.6.30.6/lib/Kconfig 3.1355 -@@ -10,6 +10,9 @@ 3.1356 - config BITREVERSE 3.1357 - tristate 3.1358 - 3.1359 -+config RATIONAL 3.1360 -+ boolean 3.1361 -+ 3.1362 - config GENERIC_FIND_FIRST_BIT 3.1363 - bool 3.1364 - 3.1365 -@@ -114,6 +117,9 @@ 3.1366 - config DECOMPRESS_LZMA 3.1367 - tristate 3.1368 - 3.1369 -+config DECOMPRESS_LZMA_NEEDED 3.1370 -+ boolean 3.1371 -+ 3.1372 - # 3.1373 - # Generic allocator support is selected if needed 3.1374 - # 3.1375 -@@ -153,6 +159,9 @@ 3.1376 - config TEXTSEARCH_FSM 3.1377 - tristate 3.1378 - 3.1379 -+config BTREE 3.1380 -+ boolean 3.1381 -+ 3.1382 - config HAS_IOMEM 3.1383 - boolean 3.1384 - depends on !NO_IOMEM 3.1385 -@@ -190,5 +199,35 @@ 3.1386 - # 3.1387 - config NLATTR 3.1388 - bool 3.1389 -+ 3.1390 -+# 3.1391 -+# Generic 64-bit atomic support is selected if needed 3.1392 -+# 3.1393 -+config GENERIC_ATOMIC64 3.1394 -+ bool 3.1395 -+ 3.1396 -+config LRU_CACHE 3.1397 -+ tristate 3.1398 -+ 3.1399 -+config SHM_SIGNAL 3.1400 -+ tristate "SHM Signal - Generic shared-memory signaling mechanism" 3.1401 -+ default n 3.1402 -+ help 3.1403 -+ Provides a shared-memory based signaling mechanism to indicate 3.1404 -+ memory-dirty notifications between two end-points. 3.1405 -+ 3.1406 -+ If unsure, say N 3.1407 -+ 3.1408 -+config IOQ 3.1409 -+ tristate "IO-Queue library - Generic shared-memory queue" 3.1410 -+ select SHM_SIGNAL 3.1411 -+ default n 3.1412 -+ help 3.1413 -+ IOQ is a generic shared-memory-queue mechanism that happens to be 3.1414 -+ friendly to virtualization boundaries. It can be used in a variety 3.1415 -+ of ways, though its intended purpose is to become a low-level 3.1416 -+ communication path for paravirtualized drivers. 3.1417 -+ 3.1418 -+ If unsure, say N 3.1419 - 3.1420 - endmenu 3.1421 - 3.1422 ---- linux-2.6.30.6/lib/decompress_bunzip2.c 3.1423 -+++ linux-2.6.30.6/lib/decompress_bunzip2.c 3.1424 -@@ -45,12 +45,15 @@ 3.1425 - */ 3.1426 - 3.1427 - 3.1428 --#ifndef STATIC 3.1429 -+#ifdef STATIC 3.1430 -+#define PREBOOT 3.1431 -+#else 3.1432 - #include <linux/decompress/bunzip2.h> 3.1433 --#endif /* !STATIC */ 3.1434 -+#include <linux/slab.h> 3.1435 -+#endif /* STATIC */ 3.1436 - 3.1437 -+#include <linux/decompress/bunzip2_mm.h> 3.1438 - #include <linux/decompress/mm.h> 3.1439 --#include <linux/slab.h> 3.1440 - 3.1441 - #ifndef INT_MAX 3.1442 - #define INT_MAX 0x7fffffff 3.1443 -@@ -297,7 +300,7 @@ 3.1444 - again when using them (during symbol decoding).*/ 3.1445 - base = hufGroup->base-1; 3.1446 - limit = hufGroup->limit-1; 3.1447 -- /* Calculate permute[]. Concurently, initialize 3.1448 -+ /* Calculate permute[]. Concurrently, initialize 3.1449 - * temp[] and limit[]. */ 3.1450 - pp = 0; 3.1451 - for (i = minLen; i <= maxLen; i++) { 3.1452 -@@ -635,6 +638,8 @@ 3.1453 - 3.1454 - /* Allocate bunzip_data. Most fields initialize to zero. */ 3.1455 - bd = *bdp = malloc(i); 3.1456 -+ if (!bd) 3.1457 -+ return RETVAL_OUT_OF_MEMORY; 3.1458 - memset(bd, 0, sizeof(struct bunzip_data)); 3.1459 - /* Setup input buffer */ 3.1460 - bd->inbuf = inbuf; 3.1461 -@@ -662,6 +667,8 @@ 3.1462 - bd->dbufSize = 100000*(i-BZh0); 3.1463 - 3.1464 - bd->dbuf = large_malloc(bd->dbufSize * sizeof(int)); 3.1465 -+ if (!bd->dbuf) 3.1466 -+ return RETVAL_OUT_OF_MEMORY; 3.1467 - return RETVAL_OK; 3.1468 - } 3.1469 - 3.1470 -@@ -681,12 +688,10 @@ 3.1471 - set_error_fn(error_fn); 3.1472 - if (flush) 3.1473 - outbuf = malloc(BZIP2_IOBUF_SIZE); 3.1474 -- else 3.1475 -- len -= 4; /* Uncompressed size hack active in pre-boot 3.1476 -- environment */ 3.1477 -+ 3.1478 - if (!outbuf) { 3.1479 - error("Could not allocate output bufer"); 3.1480 -- return -1; 3.1481 -+ return RETVAL_OUT_OF_MEMORY; 3.1482 - } 3.1483 - if (buf) 3.1484 - inbuf = buf; 3.1485 -@@ -694,6 +699,7 @@ 3.1486 - inbuf = malloc(BZIP2_IOBUF_SIZE); 3.1487 - if (!inbuf) { 3.1488 - error("Could not allocate input bufer"); 3.1489 -+ i = RETVAL_OUT_OF_MEMORY; 3.1490 - goto exit_0; 3.1491 - } 3.1492 - i = start_bunzip(&bd, inbuf, len, fill); 3.1493 -@@ -720,11 +726,14 @@ 3.1494 - } else if (i == RETVAL_UNEXPECTED_OUTPUT_EOF) { 3.1495 - error("Compressed file ends unexpectedly"); 3.1496 - } 3.1497 -+ if (!bd) 3.1498 -+ goto exit_1; 3.1499 - if (bd->dbuf) 3.1500 - large_free(bd->dbuf); 3.1501 - if (pos) 3.1502 - *pos = bd->inbufPos; 3.1503 - free(bd); 3.1504 -+exit_1: 3.1505 - if (!buf) 3.1506 - free(inbuf); 3.1507 - exit_0: 3.1508 -@@ -733,4 +742,14 @@ 3.1509 - return i; 3.1510 - } 3.1511 - 3.1512 --#define decompress bunzip2 3.1513 -+#ifdef PREBOOT 3.1514 -+STATIC int INIT decompress(unsigned char *buf, int len, 3.1515 -+ int(*fill)(void*, unsigned int), 3.1516 -+ int(*flush)(void*, unsigned int), 3.1517 -+ unsigned char *outbuf, 3.1518 -+ int *pos, 3.1519 -+ void(*error_fn)(char *x)) 3.1520 -+{ 3.1521 -+ return bunzip2(buf, len - 4, fill, flush, outbuf, pos, error_fn); 3.1522 -+} 3.1523 -+#endif 3.1524 - 3.1525 ---- linux-2.6.30.6/lib/decompress_inflate.c 3.1526 -+++ linux-2.6.30.6/lib/decompress_inflate.c 3.1527 -@@ -19,14 +19,20 @@ 3.1528 - #include "zlib_inflate/inflate.h" 3.1529 - 3.1530 - #include "zlib_inflate/infutil.h" 3.1531 -+#include <linux/slab.h> 3.1532 - 3.1533 - #endif /* STATIC */ 3.1534 - 3.1535 -+#include <linux/decompress/inflate_mm.h> 3.1536 - #include <linux/decompress/mm.h> 3.1537 --#include <linux/slab.h> 3.1538 - 3.1539 --#define INBUF_LEN (16*1024) 3.1540 -+#define GZIP_IOBUF_SIZE (16*1024) 3.1541 - 3.1542 -+static int nofill(void *buffer, unsigned int len) 3.1543 -+{ 3.1544 -+ return -1; 3.1545 -+} 3.1546 -+ 3.1547 - /* Included from initramfs et al code */ 3.1548 - STATIC int INIT gunzip(unsigned char *buf, int len, 3.1549 - int(*fill)(void*, unsigned int), 3.1550 -@@ -55,7 +61,7 @@ 3.1551 - if (buf) 3.1552 - zbuf = buf; 3.1553 - else { 3.1554 -- zbuf = malloc(INBUF_LEN); 3.1555 -+ zbuf = malloc(GZIP_IOBUF_SIZE); 3.1556 - len = 0; 3.1557 - } 3.1558 - if (!zbuf) { 3.1559 -@@ -76,8 +82,11 @@ 3.1560 - goto gunzip_nomem4; 3.1561 - } 3.1562 - 3.1563 -+ if (!fill) 3.1564 -+ fill = nofill; 3.1565 -+ 3.1566 - if (len == 0) 3.1567 -- len = fill(zbuf, INBUF_LEN); 3.1568 -+ len = fill(zbuf, GZIP_IOBUF_SIZE); 3.1569 - 3.1570 - /* verify the gzip header */ 3.1571 - if (len < 10 || 3.1572 -@@ -113,7 +122,7 @@ 3.1573 - while (rc == Z_OK) { 3.1574 - if (strm->avail_in == 0) { 3.1575 - /* TODO: handle case where both pos and fill are set */ 3.1576 -- len = fill(zbuf, INBUF_LEN); 3.1577 -+ len = fill(zbuf, GZIP_IOBUF_SIZE); 3.1578 - if (len < 0) { 3.1579 - rc = -1; 3.1580 - error("read error"); 3.1581 - 3.1582 ---- linux-2.6.30.6/lib/decompress_unlzma.c 3.1583 -+++ linux-2.6.30.6/lib/decompress_unlzma.c 3.1584 -@@ -29,12 +29,15 @@ 3.1585 - *Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 3.1586 - */ 3.1587 - 3.1588 --#ifndef STATIC 3.1589 -+#ifdef STATIC 3.1590 -+#define PREBOOT 3.1591 -+#else 3.1592 - #include <linux/decompress/unlzma.h> 3.1593 -+#include <linux/slab.h> 3.1594 - #endif /* STATIC */ 3.1595 - 3.1596 -+#include <linux/decompress/unlzma_mm.h> 3.1597 - #include <linux/decompress/mm.h> 3.1598 --#include <linux/slab.h> 3.1599 - 3.1600 - #define MIN(a, b) (((a) < (b)) ? (a) : (b)) 3.1601 - 3.1602 -@@ -80,8 +83,13 @@ 3.1603 - #define RC_MODEL_TOTAL_BITS 11 3.1604 - 3.1605 - 3.1606 -+static int nofill(void *buffer, unsigned int len) 3.1607 -+{ 3.1608 -+ return -1; 3.1609 -+} 3.1610 -+ 3.1611 - /* Called twice: once at startup and once in rc_normalize() */ 3.1612 --static void INIT rc_read(struct rc *rc) 3.1613 -+static void INIT rc_read(struct rc *rc, void(*error)(char *x)) 3.1614 - { 3.1615 - rc->buffer_size = rc->fill((char *)rc->buffer, LZMA_IOBUF_SIZE); 3.1616 - if (rc->buffer_size <= 0) 3.1617 -@@ -95,7 +103,10 @@ 3.1618 - int (*fill)(void*, unsigned int), 3.1619 - char *buffer, int buffer_size) 3.1620 - { 3.1621 -- rc->fill = fill; 3.1622 -+ if (fill) 3.1623 -+ rc->fill = fill; 3.1624 -+ else 3.1625 -+ rc->fill = nofill; 3.1626 - rc->buffer = (uint8_t *)buffer; 3.1627 - rc->buffer_size = buffer_size; 3.1628 - rc->buffer_end = rc->buffer + rc->buffer_size; 3.1629 -@@ -105,13 +116,13 @@ 3.1630 - rc->range = 0xFFFFFFFF; 3.1631 - } 3.1632 - 3.1633 --static inline void INIT rc_init_code(struct rc *rc) 3.1634 -+static inline void INIT rc_init_code(struct rc *rc, void(*error)(char *x)) 3.1635 - { 3.1636 - int i; 3.1637 - 3.1638 - for (i = 0; i < 5; i++) { 3.1639 - if (rc->ptr >= rc->buffer_end) 3.1640 -- rc_read(rc); 3.1641 -+ rc_read(rc, error); 3.1642 - rc->code = (rc->code << 8) | *rc->ptr++; 3.1643 - } 3.1644 - } 3.1645 -@@ -124,32 +135,33 @@ 3.1646 - } 3.1647 - 3.1648 - /* Called twice, but one callsite is in inline'd rc_is_bit_0_helper() */ 3.1649 --static void INIT rc_do_normalize(struct rc *rc) 3.1650 -+static void INIT rc_do_normalize(struct rc *rc, void(*error)(char *x)) 3.1651 - { 3.1652 - if (rc->ptr >= rc->buffer_end) 3.1653 -- rc_read(rc); 3.1654 -+ rc_read(rc, error); 3.1655 - rc->range <<= 8; 3.1656 - rc->code = (rc->code << 8) | *rc->ptr++; 3.1657 - } 3.1658 --static inline void INIT rc_normalize(struct rc *rc) 3.1659 -+static inline void INIT rc_normalize(struct rc *rc, void(*error)(char *x)) 3.1660 - { 3.1661 - if (rc->range < (1 << RC_TOP_BITS)) 3.1662 -- rc_do_normalize(rc); 3.1663 -+ rc_do_normalize(rc, error); 3.1664 - } 3.1665 - 3.1666 - /* Called 9 times */ 3.1667 - /* Why rc_is_bit_0_helper exists? 3.1668 - *Because we want to always expose (rc->code < rc->bound) to optimizer 3.1669 - */ 3.1670 --static inline uint32_t INIT rc_is_bit_0_helper(struct rc *rc, uint16_t *p) 3.1671 -+static inline uint32_t INIT rc_is_bit_0_helper(struct rc *rc, uint16_t *p, 3.1672 -+ void (*error)(char *x)) 3.1673 - { 3.1674 -- rc_normalize(rc); 3.1675 -+ rc_normalize(rc, error); 3.1676 - rc->bound = *p * (rc->range >> RC_MODEL_TOTAL_BITS); 3.1677 - return rc->bound; 3.1678 - } 3.1679 --static inline int INIT rc_is_bit_0(struct rc *rc, uint16_t *p) 3.1680 -+static inline int INIT rc_is_bit_0(struct rc *rc, uint16_t *p, void(*error)(char *x)) 3.1681 - { 3.1682 -- uint32_t t = rc_is_bit_0_helper(rc, p); 3.1683 -+ uint32_t t = rc_is_bit_0_helper(rc, p, error); 3.1684 - return rc->code < t; 3.1685 - } 3.1686 - 3.1687 -@@ -167,9 +179,9 @@ 3.1688 - } 3.1689 - 3.1690 - /* Called 4 times in unlzma loop */ 3.1691 --static int INIT rc_get_bit(struct rc *rc, uint16_t *p, int *symbol) 3.1692 -+static int INIT rc_get_bit(struct rc *rc, uint16_t *p, int *symbol, void(*error)(char *x)) 3.1693 - { 3.1694 -- if (rc_is_bit_0(rc, p)) { 3.1695 -+ if (rc_is_bit_0(rc, p, error)) { 3.1696 - rc_update_bit_0(rc, p); 3.1697 - *symbol *= 2; 3.1698 - return 0; 3.1699 -@@ -181,9 +193,9 @@ 3.1700 - } 3.1701 - 3.1702 - /* Called once */ 3.1703 --static inline int INIT rc_direct_bit(struct rc *rc) 3.1704 -+static inline int INIT rc_direct_bit(struct rc *rc , void(*error)(char *x)) 3.1705 - { 3.1706 -- rc_normalize(rc); 3.1707 -+ rc_normalize(rc, error); 3.1708 - rc->range >>= 1; 3.1709 - if (rc->code >= rc->range) { 3.1710 - rc->code -= rc->range; 3.1711 -@@ -194,13 +206,14 @@ 3.1712 - 3.1713 - /* Called twice */ 3.1714 - static inline void INIT 3.1715 --rc_bit_tree_decode(struct rc *rc, uint16_t *p, int num_levels, int *symbol) 3.1716 -+rc_bit_tree_decode(struct rc *rc, uint16_t *p, int num_levels, int *symbol, 3.1717 -+ void(*error)(char *x)) 3.1718 - { 3.1719 - int i = num_levels; 3.1720 - 3.1721 - *symbol = 1; 3.1722 - while (i--) 3.1723 -- rc_get_bit(rc, p + *symbol, symbol); 3.1724 -+ rc_get_bit(rc, p + *symbol, symbol, error); 3.1725 - *symbol -= 1 << num_levels; 3.1726 - } 3.1727 - 3.1728 -@@ -396,7 +409,8 @@ 3.1729 - static inline void INIT process_bit0(struct writer *wr, struct rc *rc, 3.1730 - struct cstate *cst, uint16_t *p, 3.1731 - int pos_state, uint16_t *prob, 3.1732 -- int lc, uint32_t literal_pos_mask) { 3.1733 -+ int lc, uint32_t literal_pos_mask, 3.1734 -+ void(*error)(char *x)) { 3.1735 - int mi = 1; 3.1736 - static const int state[LZMA_NUM_STATES] = 3.1737 - { 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 4, 5 }; 3.1738 -@@ -417,7 +431,7 @@ 3.1739 - match_byte <<= 1; 3.1740 - bit = match_byte & 0x100; 3.1741 - prob_lit = prob + 0x100 + bit + mi; 3.1742 -- if (rc_get_bit(rc, prob_lit, &mi)) { 3.1743 -+ if (rc_get_bit(rc, prob_lit, &mi, error)) { 3.1744 - if (!bit) 3.1745 - break; 3.1746 - } else { 3.1747 -@@ -428,7 +442,7 @@ 3.1748 - } 3.1749 - while (mi < 0x100) { 3.1750 - uint16_t *prob_lit = prob + mi; 3.1751 -- rc_get_bit(rc, prob_lit, &mi); 3.1752 -+ rc_get_bit(rc, prob_lit, &mi, error); 3.1753 - } 3.1754 - write_byte(wr, mi); 3.1755 - cst->state = state[cst->state]; 3.1756 -@@ -436,7 +450,8 @@ 3.1757 - 3.1758 - static inline void INIT process_bit1(struct writer *wr, struct rc *rc, 3.1759 - struct cstate *cst, uint16_t *p, 3.1760 -- int pos_state, uint16_t *prob) { 3.1761 -+ int pos_state, uint16_t *prob, 3.1762 -+ void(*error)(char *x)) { 3.1763 - int offset; 3.1764 - uint16_t *prob_len; 3.1765 - int num_bits; 3.1766 -@@ -444,7 +459,7 @@ 3.1767 - 3.1768 - rc_update_bit_1(rc, prob); 3.1769 - prob = p + LZMA_IS_REP + cst->state; 3.1770 -- if (rc_is_bit_0(rc, prob)) { 3.1771 -+ if (rc_is_bit_0(rc, prob, error)) { 3.1772 - rc_update_bit_0(rc, prob); 3.1773 - cst->rep3 = cst->rep2; 3.1774 - cst->rep2 = cst->rep1; 3.1775 -@@ -454,13 +469,13 @@ 3.1776 - } else { 3.1777 - rc_update_bit_1(rc, prob); 3.1778 - prob += LZMA_IS_REP_G0 - LZMA_IS_REP; 3.1779 -- if (rc_is_bit_0(rc, prob)) { 3.1780 -+ if (rc_is_bit_0(rc, prob, error)) { 3.1781 - rc_update_bit_0(rc, prob); 3.1782 - prob = (p + LZMA_IS_REP_0_LONG 3.1783 - + (cst->state << 3.1784 - LZMA_NUM_POS_BITS_MAX) + 3.1785 - pos_state); 3.1786 -- if (rc_is_bit_0(rc, prob)) { 3.1787 -+ if (rc_is_bit_0(rc, prob, error)) { 3.1788 - rc_update_bit_0(rc, prob); 3.1789 - 3.1790 - cst->state = cst->state < LZMA_NUM_LIT_STATES ? 3.1791 -@@ -475,13 +490,13 @@ 3.1792 - 3.1793 - rc_update_bit_1(rc, prob); 3.1794 - prob += LZMA_IS_REP_G1 - LZMA_IS_REP_G0; 3.1795 -- if (rc_is_bit_0(rc, prob)) { 3.1796 -+ if (rc_is_bit_0(rc, prob, error)) { 3.1797 - rc_update_bit_0(rc, prob); 3.1798 - distance = cst->rep1; 3.1799 - } else { 3.1800 - rc_update_bit_1(rc, prob); 3.1801 - prob += LZMA_IS_REP_G2 - LZMA_IS_REP_G1; 3.1802 -- if (rc_is_bit_0(rc, prob)) { 3.1803 -+ if (rc_is_bit_0(rc, prob, error)) { 3.1804 - rc_update_bit_0(rc, prob); 3.1805 - distance = cst->rep2; 3.1806 - } else { 3.1807 -@@ -499,7 +514,7 @@ 3.1808 - } 3.1809 - 3.1810 - prob_len = prob + LZMA_LEN_CHOICE; 3.1811 -- if (rc_is_bit_0(rc, prob_len)) { 3.1812 -+ if (rc_is_bit_0(rc, prob_len, error)) { 3.1813 - rc_update_bit_0(rc, prob_len); 3.1814 - prob_len += LZMA_LEN_LOW - LZMA_LEN_CHOICE 3.1815 - + (pos_state << 3.1816 -@@ -509,7 +524,7 @@ 3.1817 - } else { 3.1818 - rc_update_bit_1(rc, prob_len); 3.1819 - prob_len += LZMA_LEN_CHOICE_2 - LZMA_LEN_CHOICE; 3.1820 -- if (rc_is_bit_0(rc, prob_len)) { 3.1821 -+ if (rc_is_bit_0(rc, prob_len, error)) { 3.1822 - rc_update_bit_0(rc, prob_len); 3.1823 - prob_len += LZMA_LEN_MID - LZMA_LEN_CHOICE_2 3.1824 - + (pos_state << 3.1825 -@@ -525,7 +540,7 @@ 3.1826 - } 3.1827 - } 3.1828 - 3.1829 -- rc_bit_tree_decode(rc, prob_len, num_bits, &len); 3.1830 -+ rc_bit_tree_decode(rc, prob_len, num_bits, &len, error); 3.1831 - len += offset; 3.1832 - 3.1833 - if (cst->state < 4) { 3.1834 -@@ -540,7 +555,7 @@ 3.1835 - << LZMA_NUM_POS_SLOT_BITS); 3.1836 - rc_bit_tree_decode(rc, prob, 3.1837 - LZMA_NUM_POS_SLOT_BITS, 3.1838 -- &pos_slot); 3.1839 -+ &pos_slot, error); 3.1840 - if (pos_slot >= LZMA_START_POS_MODEL_INDEX) { 3.1841 - int i, mi; 3.1842 - num_bits = (pos_slot >> 1) - 1; 3.1843 -@@ -553,7 +568,7 @@ 3.1844 - num_bits -= LZMA_NUM_ALIGN_BITS; 3.1845 - while (num_bits--) 3.1846 - cst->rep0 = (cst->rep0 << 1) | 3.1847 -- rc_direct_bit(rc); 3.1848 -+ rc_direct_bit(rc, error); 3.1849 - prob = p + LZMA_ALIGN; 3.1850 - cst->rep0 <<= LZMA_NUM_ALIGN_BITS; 3.1851 - num_bits = LZMA_NUM_ALIGN_BITS; 3.1852 -@@ -561,7 +576,7 @@ 3.1853 - i = 1; 3.1854 - mi = 1; 3.1855 - while (num_bits--) { 3.1856 -- if (rc_get_bit(rc, prob + mi, &mi)) 3.1857 -+ if (rc_get_bit(rc, prob + mi, &mi, error)) 3.1858 - cst->rep0 |= i; 3.1859 - i <<= 1; 3.1860 - } 3.1861 -@@ -578,12 +593,12 @@ 3.1862 - 3.1863 - 3.1864 - 3.1865 --STATIC inline int INIT unlzma(unsigned char *buf, int in_len, 3.1866 -+STATIC int INIT unlzma(unsigned char *buf, int in_len, 3.1867 - int(*fill)(void*, unsigned int), 3.1868 - int(*flush)(void*, unsigned int), 3.1869 - unsigned char *output, 3.1870 - int *posp, 3.1871 -- void(*error_fn)(char *x) 3.1872 -+ void(*error)(char *x) 3.1873 - ) 3.1874 - { 3.1875 - extern int cpio_flush_buffer(void*, unsigned int); 3.1876 -@@ -600,10 +615,6 @@ 3.1877 - unsigned char *inbuf; 3.1878 - int ret = -1; 3.1879 - 3.1880 -- set_error_fn(error_fn); 3.1881 -- if (!flush) 3.1882 -- in_len -= 4; /* Uncompressed size hack active in pre-boot 3.1883 -- environment */ 3.1884 - if (buf) 3.1885 - inbuf = buf; 3.1886 - else 3.1887 -@@ -630,7 +641,7 @@ 3.1888 - 3.1889 - for (i = 0; i < sizeof(header); i++) { 3.1890 - if (rc.ptr >= rc.buffer_end) 3.1891 -- rc_read(&rc); 3.1892 -+ rc_read(&rc, error); 3.1893 - ((unsigned char *)&header)[i] = *rc.ptr++; 3.1894 - } 3.1895 - 3.1896 -@@ -675,17 +686,17 @@ 3.1897 - for (i = 0; i < num_probs; i++) 3.1898 - p[i] = (1 << RC_MODEL_TOTAL_BITS) >> 1; 3.1899 - wr.max_index = wr.next_index = 0; 3.1900 -- rc_init_code(&rc); 3.1901 -+ rc_init_code(&rc, error); 3.1902 - 3.1903 - while (get_pos(&wr) < header.dst_size) { 3.1904 - int pos_state = get_pos(&wr) & pos_state_mask; 3.1905 - uint16_t *prob = p + LZMA_IS_MATCH + 3.1906 - (cst.state << LZMA_NUM_POS_BITS_MAX) + pos_state; 3.1907 -- if (rc_is_bit_0(&rc, prob)) 3.1908 -+ if (rc_is_bit_0(&rc, prob, error)) 3.1909 - process_bit0(&wr, &rc, &cst, p, pos_state, prob, 3.1910 -- lc, literal_pos_mask); 3.1911 -+ lc, literal_pos_mask, error); 3.1912 - else { 3.1913 -- process_bit1(&wr, &rc, &cst, p, pos_state, prob); 3.1914 -+ process_bit1(&wr, &rc, &cst, p, pos_state, prob, error); 3.1915 - if (cst.rep0 == 0) 3.1916 - break; 3.1917 - } 3.1918 -@@ -719,5 +730,19 @@ 3.1919 - exit_0: 3.1920 - return ret; 3.1921 - } 3.1922 -+#if defined(CONFIG_DECOMPRESS_LZMA_NEEDED) && !defined(PREBOOT) 3.1923 -+EXPORT_SYMBOL(unlzma); 3.1924 -+#endif 3.1925 - 3.1926 --#define decompress unlzma 3.1927 -+#ifdef PREBOOT 3.1928 -+STATIC int INIT decompress(unsigned char *buf, int in_len, 3.1929 -+ int(*fill)(void*, unsigned int), 3.1930 -+ int(*flush)(void*, unsigned int), 3.1931 -+ unsigned char *output, 3.1932 -+ int *posp, 3.1933 -+ void(*error_fn)(char *x) 3.1934 -+ ) 3.1935 -+{ 3.1936 -+ return unlzma(buf, in_len - 4, fill, flush, output, posp, error_fn); 3.1937 -+} 3.1938 -+#endif