From fb0b1c60421f2fb8de2f2dfa628c7c1c3f034bcc Mon Sep 17 00:00:00 2001 From: David Ahern <dsahern@gmail.com> Date: Fri, 21 Feb 2020 12:53:09 -0700 Subject: [PATCH] tun: Remove unnecessary BUG_ON check in tun_net_xmit The BUG_ON for NULL tfile is now redundant due to a recently added null check after the rcu_dereference. Remove the BUG_ON. Cc: Jason Wang <jasowang@redhat.com> Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> --- drivers/net/tun.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 650c937ed56bb..79f248cb282dc 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1078,8 +1078,6 @@ static netdev_tx_t tun_net_xmit(struct sk_buff *skb, struct net_device *dev) tun_debug(KERN_INFO, tun, "tun_net_xmit %d\n", skb->len); - BUG_ON(!tfile); - /* Drop if the filter does not like it. * This is a noop if the filter is disabled. * Filter can be enabled only for the TAP devices. */ -- GitLab