diff options
| -rw-r--r-- | include/linux/skbuff.h | 4 | ||||
| -rw-r--r-- | net/core/skbuff.c | 10 |
2 files changed, 7 insertions, 7 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 90cbd86152da..d0b9f3846eab 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -915,7 +915,7 @@ struct sk_buff_fclones { struct sk_buff skb2; - atomic_t fclone_ref; + refcount_t fclone_ref; }; /** @@ -935,7 +935,7 @@ static inline bool skb_fclone_busy(const struct sock *sk, fclones = container_of(skb, struct sk_buff_fclones, skb1); return skb->fclone == SKB_FCLONE_ORIG && - atomic_read(&fclones->fclone_ref) > 1 && + refcount_read(&fclones->fclone_ref) > 1 && fclones->skb2.sk == sk; } diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 45dc6620dd74..659dfc0494c5 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -268,7 +268,7 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask, kmemcheck_annotate_bitfield(&fclones->skb2, flags1); skb->fclone = SKB_FCLONE_ORIG; - atomic_set(&fclones->fclone_ref, 1); + refcount_set(&fclones->fclone_ref, 1); fclones->skb2.fclone = SKB_FCLONE_CLONE; } @@ -629,7 +629,7 @@ static void kfree_skbmem(struct sk_buff *skb) * This test would have no chance to be true for the clone, * while here, branch prediction will be good. */ - if (atomic_read(&fclones->fclone_ref) == 1) + if (refcount_read(&fclones->fclone_ref) == 1) goto fastpath; break; @@ -637,7 +637,7 @@ static void kfree_skbmem(struct sk_buff *skb) fclones = container_of(skb, struct sk_buff_fclones, skb2); break; } - if (!atomic_dec_and_test(&fclones->fclone_ref)) + if (!refcount_dec_and_test(&fclones->fclone_ref)) return; fastpath: kmem_cache_free(skbuff_fclone_cache, fclones); @@ -1027,9 +1027,9 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask) return NULL; if (skb->fclone == SKB_FCLONE_ORIG && - atomic_read(&fclones->fclone_ref) == 1) { + refcount_read(&fclones->fclone_ref) == 1) { n = &fclones->skb2; - atomic_set(&fclones->fclone_ref, 2); + refcount_set(&fclones->fclone_ref, 2); } else { if (skb_pfmemalloc(skb)) gfp_mask |= __GFP_MEMALLOC; |