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-rw-r--r--payloads/libpayload/libcbfs/cbfs_core.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/payloads/libpayload/libcbfs/cbfs_core.c b/payloads/libpayload/libcbfs/cbfs_core.c
index 4c898c62ac..369d946f81 100644
--- a/payloads/libpayload/libcbfs/cbfs_core.c
+++ b/payloads/libpayload/libcbfs/cbfs_core.c
@@ -207,14 +207,12 @@ void *cbfs_get_file_content(struct cbfs_media *media, const char *name,
return NULL;
}
- if (sz)
- *sz = ntohl(file->len);
-
void *file_content = (void *)CBFS_SUBHEADER(file);
struct cbfs_file_attribute *attr =
cbfs_file_find_attr(file, CBFS_FILE_ATTR_TAG_COMPRESSION);
+ size_t final_size = ntohl(file->len);
int compression_algo = CBFS_COMPRESS_NONE;
if (attr) {
struct cbfs_file_attr_compression *comp =
@@ -222,16 +220,19 @@ void *cbfs_get_file_content(struct cbfs_media *media, const char *name,
compression_algo = ntohl(comp->compression);
DEBUG("File '%s' is compressed (alg=%d)\n",
name, compression_algo);
- *sz = ntohl(comp->decompressed_size);
+ final_size = ntohl(comp->decompressed_size);
}
- void *dst = malloc(*sz);
+ void *dst = malloc(final_size);
if (dst == NULL)
goto err;
- if (!cbfs_decompress(compression_algo, file_content, dst, *sz))
+ if (!cbfs_decompress(compression_algo, file_content, dst, final_size))
goto err;
+ if (sz)
+ *sz = final_size;
+
media->unmap(media, file);
return dst;