From: Yunfeng Ye <yeyunfeng@huawei.com>
To: Herbert Xu <herbert@gondor.apana.org.au>, <davem@davemloft.net>,
<catalin.marinas@arm.com>, <will@kernel.org>,
<ard.biesheuvel@linaro.org>
Cc: <linux-crypto@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <hushiyuan@huawei.com>,
<linfeilong@huawei.com>
Subject: [PATCH v2] crypto: arm64/aes-neonbs - add return value of skcipher_walk_done() in __xts_crypt()
Date: Tue, 22 Oct 2019 15:28:11 +0800 [thread overview]
Message-ID: <0812dca3-8447-be46-b84c-e89f25176cbf@huawei.com> (raw)
A warning is found by the static code analysis tool:
"Identical condition 'err', second condition is always false"
Fix this by adding return value of skcipher_walk_done().
Fixes: 67cfa5d3b721 ("crypto: arm64/aes-neonbs - implement ciphertext stealing for XTS")
Signed-off-by: Yunfeng Ye <yeyunfeng@huawei.com>
---
v1 -> v2:
- update the subject and comment
- add return value of skcipher_walk_done()
arch/arm64/crypto/aes-neonbs-glue.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/crypto/aes-neonbs-glue.c b/arch/arm64/crypto/aes-neonbs-glue.c
index ea873b8904c4..e3e27349a9fe 100644
--- a/arch/arm64/crypto/aes-neonbs-glue.c
+++ b/arch/arm64/crypto/aes-neonbs-glue.c
@@ -384,7 +384,7 @@ static int __xts_crypt(struct skcipher_request *req, bool encrypt,
goto xts_tail;
kernel_neon_end();
- skcipher_walk_done(&walk, nbytes);
+ err = skcipher_walk_done(&walk, nbytes);
}
if (err || likely(!tail))
--
2.7.4.3
next reply other threads:[~2019-10-22 7:28 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-22 7:28 Yunfeng Ye [this message]
2019-10-22 7:43 ` [PATCH v2] crypto: arm64/aes-neonbs - add return value of skcipher_walk_done() in __xts_crypt() Ard Biesheuvel
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