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[4/6] net: nci: remove redundant null pointer check before kfree_skb

Message ID 1537436266-41955-5-git-send-email-zhongjiang@huawei.com
State Accepted, archived
Delegated to: David Miller
Headers show
Series net: remove redundant null pointer check before kfree_skb | expand

Commit Message

zhong jiang Sept. 20, 2018, 9:37 a.m. UTC 
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>
---
 net/nfc/nci/uart.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
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Patch

diff --git a/net/nfc/nci/uart.c b/net/nfc/nci/uart.c
index a66f102..4503937 100644
--- a/net/nfc/nci/uart.c
+++ b/net/nfc/nci/uart.c
@@ -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);