From feb27d155dfabcb8baabe10367f25fc2b1bcede1 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Thu, 5 Mar 2015 20:48:46 +0300 Subject: [PATCH] ax25: remove unneeded NULL test in ax_xmit() We get a static checker warning here on devel kernels: drivers/net/hamradio/mkiss.c:560 ax_xmit() warn: variable dereferenced before check 'skb' (see line 532) It turns out that the NULL check can be deleted. Signed-off-by: Dan Carpenter Signed-off-by: David S. Miller --- drivers/net/hamradio/mkiss.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c index 17058c490b79..2ffbf13471d0 100644 --- a/drivers/net/hamradio/mkiss.c +++ b/drivers/net/hamradio/mkiss.c @@ -557,11 +557,9 @@ static netdev_tx_t ax_xmit(struct sk_buff *skb, struct net_device *dev) } /* We were not busy, so we are now... :-) */ - if (skb != NULL) { - netif_stop_queue(dev); - ax_encaps(dev, skb->data, skb->len); - kfree_skb(skb); - } + netif_stop_queue(dev); + ax_encaps(dev, skb->data, skb->len); + kfree_skb(skb); return NETDEV_TX_OK; }