crypto: nx - Remove the unneeded result variable

Return the value set_msg_len() 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>
Reviewed-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/nx/nx-aes-ccm.c b/drivers/crypto/nx/nx-aes-ccm.c
index 3793885f928dd33e8fa25b6f9fa2ee5aa1ef3ced..c843f4c6f684d4b19c1cd7b9842105a2108b1b32 100644 (file)
--- a/drivers/crypto/nx/nx-aes-ccm.c
+++ b/drivers/crypto/nx/nx-aes-ccm.c
@@ -134,7 +134,6 @@ static int generate_b0(u8 *iv, unsigned int assoclen, unsigned int authsize,
                       unsigned int cryptlen, u8 *b0)
 {
        unsigned int l, lp, m = authsize;
-       int rc;
 
        memcpy(b0, iv, 16);
 
@@ -148,9 +147,7 @@ static int generate_b0(u8 *iv, unsigned int assoclen, unsigned int authsize,
        if (assoclen)
                *b0 |= 64;
 
-       rc = set_msg_len(b0 + 16 - l, cryptlen, l);
-
-       return rc;
+       return set_msg_len(b0 + 16 - l, cryptlen, l);
 }
 
 static int generate_pat(u8                   *iv,