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>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 8cac356b77b2..aeaad97e6815 100644
--- 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;
         }