diff options
Diffstat (limited to 'include/linux/skbuff.h')
| -rw-r--r-- | include/linux/skbuff.h | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index a6b744bccdc8..23e0b48b79a4 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -353,15 +353,11 @@ static inline struct sk_buff *skb_get(struct sk_buff *skb) */ static inline void kfree_skb(struct sk_buff *skb) { - if (atomic_read(&skb->users) == 1 || atomic_dec_and_test(&skb->users)) - __kfree_skb(skb); -} - -/* Use this if you didn't touch the skb state [for fast switching] */ -static inline void kfree_skb_fast(struct sk_buff *skb) -{ - if (atomic_read(&skb->users) == 1 || atomic_dec_and_test(&skb->users)) - kfree_skbmem(skb); + if (likely(atomic_read(&skb->users) == 1)) + smp_rmb(); + else if (likely(!atomic_dec_and_test(&skb->users))) + return; + __kfree_skb(skb); } /** |