Commit 454bbde8 authored by Menglong Dong's avatar Menglong Dong Committed by David S. Miller
Browse files

net: skb: add pskb_network_may_pull_reason() helper 



Introduce the function pskb_network_may_pull_reason() and make
pskb_network_may_pull() a simple inline call to it. The drop reasons of
it just come from pskb_may_pull_reason.

Signed-off-by: default avatarMenglong Dong <dongml2@chinatelecom.cn>
Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c531f226

include/linux/skbuff.h

+7 −1
Original line number Diff line number Diff line
@@ -3130,9 +3130,15 @@ static inline int skb_inner_network_offset(const struct sk_buff *skb) 
	return skb_inner_network_header(skb) - skb->data;

}



static inline enum skb_drop_reason

pskb_network_may_pull_reason(struct sk_buff *skb, unsigned int len)

{

	return pskb_may_pull_reason(skb, skb_network_offset(skb) + len);

}



static inline int pskb_network_may_pull(struct sk_buff *skb, unsigned int len)

{

	return pskb_may_pull(skb, skb_network_offset(skb) + len);

	return pskb_network_may_pull_reason(skb, len) == SKB_NOT_DROPPED_YET;

}



/*