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crypto: arm64/aes-neonbs - add return value of skcipher_walk_done() in __xts_crypt() 

commit 9b537997b6 upstream.

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: 67cfa5d3b7 ("crypto: arm64/aes-neonbs - implement ciphertext stealing for XTS")
Signed-off-by: Yunfeng Ye <yeyunfeng@huawei.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Yunfeng Ye 2019-10-22 16:11:18 +08:00 committed by Greg Kroah-Hartman
parent c53d875335
commit 6584b2b533
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/crypto/aes-neonbs-glue.c
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@ -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))