Commit 5c327f67 authored by Li RongQing's avatar Li RongQing Committed by David S. Miller
Browse files

tun: remove unnecessary check in tun_flow_update 



caller has guaranted that rxhash is not zero

Signed-off-by: default avatarLi RongQing <lirongqing@baidu.com>
Acked-by: default avatarJason Wang <jasowang@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 83b1bc12

drivers/net/tun.c

+1 −4
Original line number Diff line number Diff line
@@ -529,9 +529,6 @@ static void tun_flow_update(struct tun_struct *tun, u32 rxhash, 
	unsigned long delay = tun->ageing_time;

	u16 queue_index = tfile->queue_index;



	if (!rxhash)

		return;

	else

	head = &tun->flows[tun_hashfn(rxhash)];



	rcu_read_lock();