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mISDN: remove redundant null pointer check before kfree_skb

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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: David S. Miller <davem@davemloft.net>
This commit is contained in:
zhong jiang 2018-09-20 22:27:28 +08:00 committed by David S. Miller
parent 8a1aff144d
commit 66ab235986
1 changed files with 1 additions and 2 deletions
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3
drivers/isdn/mISDN/socket.c
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@ -236,8 +236,7 @@ mISDN_sock_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
}
done:
if (skb)
kfree_skb(skb);
kfree_skb(skb);
release_sock(sk);
return err;
}