caif: added check for potential null return · c95567c803 - Gogs

caif: added check for potential null return

Add check on NULL return from caif_get().

Signed-off-by: Kim Lilliestierna <Kim.xx.Lilliestierna@stericsson.com>
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericssion.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Kim Lilliestierna XX 13 years ago

parent

be4852c957

commit

c95567c803

1 changed files with 5 additions and 0 deletions

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							+ 5
							
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net/caif/caif_dev.c
							 
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				@@ -128,6 +128,11 @@ void caif_flow_cb(struct sk_buff *skb)
			
				 	rcu_read_lock();
			
				 	caifd = caif_get(skb->dev);
			
				+
			
				+	WARN_ON(caifd == NULL);
			
				+	if (caifd == NULL)
			
				+		return;
			
				+
			
				 	caifd_hold(caifd);
			
				 	rcu_read_unlock();