Merge tag 'v4.11-rc1' into docs-next

Linux 4.11-rc1

1 files changed, 9 insertions, 14 deletions

diff --git a/crypto/lz4hc.c b/crypto/lz4hc.c
index 75ffc4a3..03a34a81 100644
--- a/crypto/lz4hc.c
+++ b/crypto/lz4hc.c
@@ -65,15 +65,13 @@ static void lz4hc_exit(struct crypto_tfm *tfm)
 static int __lz4hc_compress_crypto(const u8 *src, unsigned int slen,
 				   u8 *dst, unsigned int *dlen, void *ctx)
 {
-	size_t tmp_len = *dlen;
-	int err;
+	int out_len = LZ4_compress_HC(src, dst, slen,
+		*dlen, LZ4HC_DEFAULT_CLEVEL, ctx);
 
-	err = lz4hc_compress(src, slen, dst, &tmp_len, ctx);
-
-	if (err < 0)
+	if (!out_len)
 		return -EINVAL;
 
-	*dlen = tmp_len;
+	*dlen = out_len;
 	return 0;
 }
 
@@ -97,16 +95,13 @@ static int lz4hc_compress_crypto(struct crypto_tfm *tfm, const u8 *src,
 static int __lz4hc_decompress_crypto(const u8 *src, unsigned int slen,
 				     u8 *dst, unsigned int *dlen, void *ctx)
 {
-	int err;
-	size_t tmp_len = *dlen;
-	size_t __slen = slen;
+	int out_len = LZ4_decompress_safe(src, dst, slen, *dlen);
 
-	err = lz4_decompress_unknownoutputsize(src, __slen, dst, &tmp_len);
-	if (err < 0)
-		return -EINVAL;
+	if (out_len < 0)
+		return out_len;
 
-	*dlen = tmp_len;
-	return err;
+	*dlen = out_len;
+	return 0;
 }
 
 static int lz4hc_sdecompress(struct crypto_scomp *tfm, const u8 *src,