crypto: lz4 - fixed decompress function to return error code
Decompress function in LZ4 library is supposed to return an error code or
negative result. But, it returns -1 when any error is detected. Return
error code when the library returns negative value.
Signed-off-by: Myungho Jung <mhjungk@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/lz4.c b/crypto/lz4.c
index 71eff9b..2ce2660 100644
--- a/crypto/lz4.c
+++ b/crypto/lz4.c
@@ -97,7 +97,7 @@
int out_len = LZ4_decompress_safe(src, dst, slen, *dlen);
if (out_len < 0)
- return out_len;
+ return -EINVAL;
*dlen = out_len;
return 0;