forked from Minki/linux
skb: make skb_recycle_check() return a bool value
Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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parent
6057fd78a8
commit
5b0daa3474
@ -501,7 +501,7 @@ static inline struct sk_buff *alloc_skb_fclone(unsigned int size,
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return __alloc_skb(size, priority, 1, -1);
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}
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extern int skb_recycle_check(struct sk_buff *skb, int skb_size);
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extern bool skb_recycle_check(struct sk_buff *skb, int skb_size);
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extern struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src);
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extern struct sk_buff *skb_clone(struct sk_buff *skb,
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@ -482,22 +482,22 @@ EXPORT_SYMBOL(consume_skb);
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* reference count dropping and cleans up the skbuff as if it
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* just came from __alloc_skb().
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*/
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int skb_recycle_check(struct sk_buff *skb, int skb_size)
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bool skb_recycle_check(struct sk_buff *skb, int skb_size)
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{
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struct skb_shared_info *shinfo;
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if (irqs_disabled())
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return 0;
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return false;
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if (skb_is_nonlinear(skb) || skb->fclone != SKB_FCLONE_UNAVAILABLE)
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return 0;
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return false;
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skb_size = SKB_DATA_ALIGN(skb_size + NET_SKB_PAD);
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if (skb_end_pointer(skb) - skb->head < skb_size)
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return 0;
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return false;
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if (skb_shared(skb) || skb_cloned(skb))
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return 0;
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return false;
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skb_release_head_state(skb);
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@ -509,7 +509,7 @@ int skb_recycle_check(struct sk_buff *skb, int skb_size)
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skb->data = skb->head + NET_SKB_PAD;
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skb_reset_tail_pointer(skb);
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return 1;
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return true;
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}
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EXPORT_SYMBOL(skb_recycle_check);
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