Commit e5e03ce1 authored by Sjur Braendeland's avatar Sjur Braendeland Committed by David S. Miller
Browse files

caif: Fix function NULL pointer check. 



Check that receive function pointer is not null before calling it.

Signed-off-by: default avatarSjur Braendeland <sjur.brandeland@stericsson.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b04367df

net/caif/caif_dev.c

+1 −1
Original line number Diff line number Diff line
@@ -173,7 +173,7 @@ static int receive(struct sk_buff *skb, struct net_device *dev, 
	net = dev_net(dev);

	pkt = cfpkt_fromnative(CAIF_DIR_IN, skb);

	caifd = caif_get(dev);

	if (!caifd || !caifd->layer.up || !caifd->layer.up->ctrlcmd)

	if (!caifd || !caifd->layer.up || !caifd->layer.up->receive)

		return NET_RX_DROP;



	if (caifd->layer.up->receive(caifd->layer.up, pkt))