diff options
Diffstat (limited to 'fs/pstore')
| -rw-r--r-- | fs/pstore/platform.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c index 19aaefeb052f..df54dd87598a 100644 --- a/fs/pstore/platform.c +++ b/fs/pstore/platform.c @@ -452,27 +452,37 @@ static const struct pstore_zbackend backend_lz4hc = { static int compress_842(const void *in, void *out, size_t inlen, size_t outlen) { int ret; + unsigned int size; - ret = sw842_compress(in, inlen, out, (unsigned int *)&outlen, workspace); + if (outlen > UINT_MAX) + return -EIO; + size = outlen; + + ret = sw842_compress(in, inlen, out, &size, workspace); if (ret) { pr_err("sw842_compress error; compression failed!\n"); return ret; } - return outlen; + return size; } static int decompress_842(void *in, void *out, size_t inlen, size_t outlen) { int ret; + unsigned int size; - ret = sw842_decompress(in, inlen, out, (unsigned int *)&outlen); + if (outlen > UINT_MAX) + return -EIO; + size = outlen; + + ret = sw842_decompress(in, inlen, out, &size); if (ret) { pr_err("sw842_decompress error, ret = %d!\n", ret); return ret; } - return outlen; + return size; } static void allocate_842(void) |