diff options
| -rw-r--r-- | include/linux/skbuff.h | 2 | ||||
| -rw-r--r-- | net/core/skbuff.c | 9 | ||||
| -rw-r--r-- | net/ipv4/udp.c | 5 |
3 files changed, 8 insertions, 8 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index f751f3b93039..72299ef00061 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -958,7 +958,7 @@ void kfree_skb(struct sk_buff *skb); void kfree_skb_list(struct sk_buff *segs); void skb_tx_error(struct sk_buff *skb); void consume_skb(struct sk_buff *skb); -void consume_stateless_skb(struct sk_buff *skb); +void __consume_stateless_skb(struct sk_buff *skb); void __kfree_skb(struct sk_buff *skb); extern struct kmem_cache *skbuff_head_cache; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 68065d7d383f..16982de649b9 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -710,14 +710,11 @@ EXPORT_SYMBOL(consume_skb); * consume_stateless_skb - free an skbuff, assuming it is stateless * @skb: buffer to free * - * Works like consume_skb(), but this variant assumes that all the head - * states have been already dropped. + * Alike consume_skb(), but this variant assumes that this is the last + * skb reference and all the head states have been already dropped */ -void consume_stateless_skb(struct sk_buff *skb) +void __consume_stateless_skb(struct sk_buff *skb) { - if (!skb_unref(skb)) - return; - trace_consume_skb(skb); skb_release_data(skb); kfree_skbmem(skb); diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index db1c9e78c83c..ef29df8648e4 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1397,12 +1397,15 @@ void skb_consume_udp(struct sock *sk, struct sk_buff *skb, int len) unlock_sock_fast(sk, slow); } + if (!skb_unref(skb)) + return; + /* In the more common cases we cleared the head states previously, * see __udp_queue_rcv_skb(). */ if (unlikely(udp_skb_has_head_state(skb))) skb_release_head_state(skb); - consume_stateless_skb(skb); + __consume_stateless_skb(skb); } EXPORT_SYMBOL_GPL(skb_consume_udp); |