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

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Message-Id: <20220831140248.303940-1-cui.jinpeng2@zte.com.cn>
Date:   Wed, 31 Aug 2022 14:02:48 +0000
From:   cgel.zte@...il.com
To:     leitao@...ian.org, nayna@...ux.ibm.com, pfsmorigo@...il.com
Cc:     mpe@...erman.id.au, npiggin@...il.com, christophe.leroy@...roup.eu,
        herbert@...dor.apana.org.au, davem@...emloft.net,
        linux-crypto@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org,
        Jinpeng Cui <cui.jinpeng2@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH linux-next] crypto: nx: remove redundant variable rc

From: Jinpeng Cui <cui.jinpeng2@....com.cn>

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

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Jinpeng Cui <cui.jinpeng2@....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