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net: nci: 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 17:37:44 +08:00 committed by David S. Miller
parent 1d08962ff1
commit e3c3215e41
1 changed files with 2 additions and 4 deletions
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6
net/nfc/nci/uart.c
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@ -192,10 +192,8 @@ static void nci_uart_tty_close(struct tty_struct *tty)
if (!nu)
return;
if (nu->tx_skb)
kfree_skb(nu->tx_skb);
if (nu->rx_skb)
kfree_skb(nu->rx_skb);
kfree_skb(nu->tx_skb);
kfree_skb(nu->rx_skb);
skb_queue_purge(&nu->tx_q);