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Commit f9599ce1 authored by Changli Gao's avatar Changli Gao Committed by David S. Miller
Browse files

sk_buff: introduce pskb_network_may_pull()

parent 36d12690
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+5 −0
Original line number Diff line number Diff line
@@ -1379,6 +1379,11 @@ static inline int skb_network_offset(const struct sk_buff *skb)
	return skb_network_header(skb) - skb->data;
}

static inline int pskb_network_may_pull(struct sk_buff *skb, unsigned int len)
{
	return pskb_may_pull(skb, skb_network_offset(skb) + len);
}

/*
 * CPUs often take a performance hit when accessing unaligned memory
 * locations. The actual performance hit varies, it can be small if the