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>
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@ -1442,7 +1442,7 @@ extern int ___pskb_trim(struct sk_buff *skb, unsigned int len);
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static inline void __skb_trim(struct sk_buff *skb, unsigned int len)
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static inline void __skb_trim(struct sk_buff *skb, unsigned int len)
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{
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{
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if (unlikely(skb->data_len)) {
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if (unlikely(skb_is_nonlinear(skb))) {
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WARN_ON(1);
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WARN_ON(1);
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return;
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return;
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}
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}
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