net: skb_trim explicitely check the linearity instead of data_len

The purpose of the check on data_len is to check linearity, so use the inline helper for this. No overhead and more explicit. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
git-mirror · May 23, 2011 · c4264f2 · c4264f2
1 parent c378a9c
commit c4264f2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
@@ -1442,7 +1442,7 @@ extern int ___pskb_trim(struct sk_buff *skb, unsigned int len);
 
 static inline void __skb_trim(struct sk_buff *skb, unsigned int len)
 {
-	if (unlikely(skb->data_len)) {
+	if (unlikely(skb_is_nonlinear(skb))) {
 		WARN_ON(1);
 		return;
 	}