crypto: zip - remove the unneeded result variable

Return the value directly instead of storing it in another redundant
variable.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/cavium/zip/zip_crypto.c b/drivers/crypto/cavium/zip/zip_crypto.c
index 7df71fcebe8f27481adf59ed3a3694a080133c98..1046a746d36f551c5ddf19726b8bac234c7bd969 100644 (file)
--- a/drivers/crypto/cavium/zip/zip_crypto.c
+++ b/drivers/crypto/cavium/zip/zip_crypto.c
@@ -198,22 +198,16 @@ static int zip_decompress(const u8 *src, unsigned int slen,
 /* Legacy Compress framework start */
 int zip_alloc_comp_ctx_deflate(struct crypto_tfm *tfm)
 {
-       int ret;
        struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm);
 
-       ret = zip_ctx_init(zip_ctx, 0);
-
-       return ret;
+       return zip_ctx_init(zip_ctx, 0);
 }
 
 int zip_alloc_comp_ctx_lzs(struct crypto_tfm *tfm)
 {
-       int ret;
        struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm);
 
-       ret = zip_ctx_init(zip_ctx, 1);
-
-       return ret;
+       return zip_ctx_init(zip_ctx, 1);
 }
 
 void zip_free_comp_ctx(struct crypto_tfm *tfm)
@@ -227,24 +221,18 @@ int  zip_comp_compress(struct crypto_tfm *tfm,
                       const u8 *src, unsigned int slen,
                       u8 *dst, unsigned int *dlen)
 {
-       int ret;
        struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm);
 
-       ret = zip_compress(src, slen, dst, dlen, zip_ctx);
-
-       return ret;
+       return zip_compress(src, slen, dst, dlen, zip_ctx);
 }
 
 int  zip_comp_decompress(struct crypto_tfm *tfm,
                         const u8 *src, unsigned int slen,
                         u8 *dst, unsigned int *dlen)
 {
-       int ret;
        struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm);
 
-       ret = zip_decompress(src, slen, dst, dlen, zip_ctx);
-
-       return ret;
+       return zip_decompress(src, slen, dst, dlen, zip_ctx);
 } /* Legacy compress framework end */
 
 /* SCOMP framework start */
@@ -298,22 +286,16 @@ int zip_scomp_compress(struct crypto_scomp *tfm,
                       const u8 *src, unsigned int slen,
                       u8 *dst, unsigned int *dlen, void *ctx)
 {
-       int ret;
        struct zip_kernel_ctx *zip_ctx  = ctx;
 
-       ret = zip_compress(src, slen, dst, dlen, zip_ctx);
-
-       return ret;
+       return zip_compress(src, slen, dst, dlen, zip_ctx);
 }
 
 int zip_scomp_decompress(struct crypto_scomp *tfm,
                         const u8 *src, unsigned int slen,
                         u8 *dst, unsigned int *dlen, void *ctx)
 {
-       int ret;
        struct zip_kernel_ctx *zip_ctx = ctx;
 
-       ret = zip_decompress(src, slen, dst, dlen, zip_ctx);
-
-       return ret;
+       return zip_decompress(src, slen, dst, dlen, zip_ctx);
 } /* SCOMP framework end */