[PATCH linux-next] crypto: nx: remove redundant variable rc

[cgel.zte at gmail.com]

From: Jinpeng Cui <cui.jinpeng2 at zte.com.cn>

Return value directly from set_msg_len() instead of
getting value from redundant variable rc.

Reported-by: Zeal Robot <zealci at zte.com.cn>
Signed-off-by: Jinpeng Cui <cui.jinpeng2 at zte.com.cn>
---
 drivers/crypto/nx/nx-aes-ccm.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/crypto/nx/nx-aes-ccm.c b/drivers/crypto/nx/nx-aes-ccm.c
index 3793885f928d..c843f4c6f684 100644
--- 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,
-- 
2.25.1