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From: Chen Wandun <chenwandun@huawei.com>
To: <herbert@gondor.apana.org.au>, <davem@davemloft.net>,
	<linux-crypto@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Cc: <chenwandun@huawei.com>
Subject: [PATCH] crypto: essiv: remove redundant null pointer check before kfree
Date: Sat, 16 Nov 2019 14:51:00 +0800	[thread overview]
Message-ID: <1573887060-100725-1-git-send-email-chenwandun@huawei.com> (raw)

kfree has taken null pointer check into account. so it is safe to
remove the unnecessary check.

Signed-off-by: Chen Wandun <chenwandun@huawei.com>
---
 crypto/essiv.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/crypto/essiv.c b/crypto/essiv.c
index efea5af..75d810d 100644
--- a/crypto/essiv.c
+++ b/crypto/essiv.c
@@ -188,8 +188,7 @@ static void essiv_aead_done(struct crypto_async_request *areq, int err)
 	struct aead_request *req = areq->data;
 	struct essiv_aead_request_ctx *rctx = aead_request_ctx(req);
 
-	if (rctx->assoc)
-		kfree(rctx->assoc);
+	kfree(rctx->assoc);
 	aead_request_complete(req, err);
 }
 
-- 
2.7.4


             reply	other threads:[~2019-11-16  6:44 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-16  6:51 Chen Wandun [this message]
2019-11-22 11:09 ` Herbert Xu

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