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authorzhong jiang <zhongjiang@huawei.com>2018-09-20 17:57:16 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2018-09-28 12:46:26 +0800
commitce1294d981c1467c13b2b698913f35859592308b (patch)
tree906c8cc8e4de7b552e1abba442d480350b90baf5
parent4d407b04d4f3900ac9d6379c5f22364a9ef66ba6 (diff)
downloadlinux-ce1294d981c1467c13b2b698913f35859592308b.tar.gz
crypto: chtls - remove redundant null pointer check before kfree_skb
kfree_skb has taken the null pointer into account. hence it is safe
to remove the redundant null pointer check before kfree_skb.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-rw-r--r--drivers/crypto/chelsio/chtls/chtls_cm.c3
-rw-r--r--drivers/crypto/chelsio/chtls/chtls_main.c3
2 files changed, 2 insertions, 4 deletions
diff --git a/drivers/crypto/chelsio/chtls/chtls_cm.c b/drivers/crypto/chelsio/chtls/chtls_cm.c
index 0997e166ea57..fd2ae1e0e561 100644
--- a/drivers/crypto/chelsio/chtls/chtls_cm.c
+++ b/drivers/crypto/chelsio/chtls/chtls_cm.c
@@ -234,8 +234,7 @@ static void chtls_send_reset(struct sock *sk, int mode, struct sk_buff *skb)
 
 	return;
 out:
-	if (skb)
-		kfree_skb(skb);
+	kfree_skb(skb);
 }
 
 static void release_tcp_port(struct sock *sk)
diff --git a/drivers/crypto/chelsio/chtls/chtls_main.c b/drivers/crypto/chelsio/chtls/chtls_main.c
index f59b044ebd25..f472c51abe56 100644
--- a/drivers/crypto/chelsio/chtls/chtls_main.c
+++ b/drivers/crypto/chelsio/chtls/chtls_main.c
@@ -272,8 +272,7 @@ static void chtls_free_uld(struct chtls_dev *cdev)
 	for (i = 0; i < (1 << RSPQ_HASH_BITS); i++)
 		kfree_skb(cdev->rspq_skb_cache[i]);
 	kfree(cdev->lldi);
-	if (cdev->askb)
-		kfree_skb(cdev->askb);
+	kfree_skb(cdev->askb);
 	kfree(cdev);
 }