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-rw-r--r--payloads/libpayload/include/cbfs_core.h2
-rw-r--r--payloads/libpayload/libcbfs/cbfs.c4
-rw-r--r--payloads/libpayload/libcbfs/cbfs_core.c9
3 files changed, 6 insertions, 9 deletions
diff --git a/payloads/libpayload/include/cbfs_core.h b/payloads/libpayload/include/cbfs_core.h
index 2dc1992bc7..8be7212210 100644
--- a/payloads/libpayload/include/cbfs_core.h
+++ b/payloads/libpayload/include/cbfs_core.h
@@ -217,7 +217,7 @@ struct cbfs_file *cbfs_get_file(struct cbfs_media *media, const char *name);
void *cbfs_get_file_content(struct cbfs_media *media, const char *name,
int type);
-/* returns 0 on success, -1 on failure */
+/* returns decompressed size on success, 0 on failure */
int cbfs_decompress(int algo, void *src, void *dst, int len);
/* returns a pointer to CBFS master header, or CBFS_HEADER_INVALID_ADDRESS
diff --git a/payloads/libpayload/libcbfs/cbfs.c b/payloads/libpayload/libcbfs/cbfs.c
index 2fb91bf2d2..6243473170 100644
--- a/payloads/libpayload/libcbfs/cbfs.c
+++ b/payloads/libpayload/libcbfs/cbfs.c
@@ -120,7 +120,7 @@ void *cbfs_load_optionrom(struct cbfs_media *media, uint16_t vendor,
if (! dest)
return src;
- if (cbfs_decompress(ntohl(orom->compression),
+ if (!cbfs_decompress(ntohl(orom->compression),
src,
dest,
ntohl(orom->len)))
@@ -146,7 +146,7 @@ void * cbfs_load_stage(struct cbfs_media *media, const char *name)
stage->entry);
memset((void *) (uint32_t) stage->load, 0, stage->memlen);
- if (cbfs_decompress(stage->compression,
+ if (!cbfs_decompress(stage->compression,
((unsigned char *) stage) +
sizeof(struct cbfs_stage),
(void *) (uint32_t) stage->load,
diff --git a/payloads/libpayload/libcbfs/cbfs_core.c b/payloads/libpayload/libcbfs/cbfs_core.c
index 48a4b3aaca..1945813bb5 100644
--- a/payloads/libpayload/libcbfs/cbfs_core.c
+++ b/payloads/libpayload/libcbfs/cbfs_core.c
@@ -196,19 +196,16 @@ int cbfs_decompress(int algo, void *src, void *dst, int len)
switch (algo) {
case CBFS_COMPRESS_NONE:
memcpy(dst, src, len);
- return 0;
+ return len;
#ifdef CBFS_CORE_WITH_LZMA
case CBFS_COMPRESS_LZMA:
- if (ulzma(src, dst) != 0) {
- return 0;
- }
- return -1;
+ return ulzma(src, dst);
#endif
default:
ERROR("tried to decompress %d bytes with algorithm #%x,"
"but that algorithm id is unsupported.\n", len,
algo);
- return -1;
+ return 0;
}
}