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 (file)
--- a/crypto/lz4.c
+++ b/crypto/lz4.c
@@ -97,7 +97,7 @@ static int __lz4_decompress_crypto(const u8 *src, unsigned int slen,
        int out_len = LZ4_decompress_safe(src, dst, slen, *dlen);
 
        if (out_len < 0)
-               return out_len;
+               return -EINVAL;
 
        *dlen = out_len;
        return 0;

diff --git a/crypto/lz4hc.c b/crypto/lz4hc.c
index 03a34a8..2be14f0 100644 (file)
--- a/crypto/lz4hc.c
+++ b/crypto/lz4hc.c
@@ -98,7 +98,7 @@ static int __lz4hc_decompress_crypto(const u8 *src, unsigned int slen,
        int out_len = LZ4_decompress_safe(src, dst, slen, *dlen);
 
        if (out_len < 0)
-               return out_len;
+               return -EINVAL;
 
        *dlen = out_len;
        return 0;