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caif: Fix function NULL pointer check.

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

Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sjur Braendeland 2010-09-21 11:44:45 +00:00 committed by David S. Miller
parent b04367df66
commit e5e03ce1e5
1 changed files with 1 additions and 1 deletions
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2
net/caif/caif_dev.c
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@ -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))