diff options
Diffstat (limited to 'net/core/skbuff.c')
| -rw-r--r-- | net/core/skbuff.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index f75897a33fa4..8b11341ed69a 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -176,7 +176,7 @@ struct sk_buff *__alloc_skb_head(gfp_t gfp_mask, int node) memset(skb, 0, offsetof(struct sk_buff, tail)); skb->head = NULL; skb->truesize = sizeof(struct sk_buff); - atomic_set(&skb->users, 1); + refcount_set(&skb->users, 1); skb->mac_header = (typeof(skb->mac_header))~0U; out: @@ -247,7 +247,7 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask, /* Account for allocated memory : skb + skb->head */ skb->truesize = SKB_TRUESIZE(size); skb->pfmemalloc = pfmemalloc; - atomic_set(&skb->users, 1); + refcount_set(&skb->users, 1); skb->head = data; skb->data = data; skb_reset_tail_pointer(skb); @@ -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; } @@ -314,7 +314,7 @@ struct sk_buff *__build_skb(void *data, unsigned int frag_size) memset(skb, 0, offsetof(struct sk_buff, tail)); skb->truesize = SKB_TRUESIZE(size); - atomic_set(&skb->users, 1); + refcount_set(&skb->users, 1); skb->head = data; skb->data = data; skb_reset_tail_pointer(skb); @@ -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); @@ -915,7 +915,7 @@ static struct sk_buff *__skb_clone(struct sk_buff *n, struct sk_buff *skb) C(head_frag); C(data); C(truesize); - atomic_set(&n->users, 1); + refcount_set(&n->users, 1); atomic_inc(&(skb_shinfo(skb)->dataref)); skb->cloned = 1; @@ -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; @@ -3024,7 +3024,7 @@ int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb, get_page(pfrag->page); skb->truesize += copy; - atomic_add(copy, &sk->sk_wmem_alloc); + refcount_add(copy, &sk->sk_wmem_alloc); skb->len += copy; skb->data_len += copy; offset += copy; @@ -3844,7 +3844,7 @@ struct sk_buff *skb_clone_sk(struct sk_buff *skb) struct sock *sk = skb->sk; struct sk_buff *clone; - if (!sk || !atomic_inc_not_zero(&sk->sk_refcnt)) + if (!sk || !refcount_inc_not_zero(&sk->sk_refcnt)) return NULL; clone = skb_clone(skb, GFP_ATOMIC); @@ -3915,7 +3915,7 @@ void skb_complete_tx_timestamp(struct sk_buff *skb, /* Take a reference to prevent skb_orphan() from freeing the socket, * but only if the socket refcount is not zero. */ - if (likely(atomic_inc_not_zero(&sk->sk_refcnt))) { + if (likely(refcount_inc_not_zero(&sk->sk_refcnt))) { *skb_hwtstamps(skb) = *hwtstamps; __skb_complete_tx_timestamp(skb, sk, SCM_TSTAMP_SND, false); sock_put(sk); @@ -3997,7 +3997,7 @@ void skb_complete_wifi_ack(struct sk_buff *skb, bool acked) /* Take a reference to prevent skb_orphan() from freeing the socket, * but only if the socket refcount is not zero. */ - if (likely(atomic_inc_not_zero(&sk->sk_refcnt))) { + if (likely(refcount_inc_not_zero(&sk->sk_refcnt))) { err = sock_queue_err_skb(sk, skb); sock_put(sk); } |