From 766e9037cc139ee25ed93ee5ad11e1450c4b99f6 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Wed, 14 Oct 2009 20:40:11 -0700 Subject: net: sk_drops consolidation sock_queue_rcv_skb() can update sk_drops itself, removing need for callers to take care of it. This is more consistent since sock_queue_rcv_skb() also reads sk_drops when queueing a skb. This adds sk_drops managment to many protocols that not cared yet. Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- net/core/sock.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) (limited to 'net/core') diff --git a/net/core/sock.c b/net/core/sock.c index 43ca2c995393..38713aa3faf2 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -274,7 +274,7 @@ static void sock_disable_timestamp(struct sock *sk, int flag) int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) { - int err = 0; + int err; int skb_len; unsigned long flags; struct sk_buff_head *list = &sk->sk_receive_queue; @@ -284,17 +284,17 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) */ if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >= (unsigned)sk->sk_rcvbuf) { - err = -ENOMEM; - goto out; + atomic_inc(&sk->sk_drops); + return -ENOMEM; } err = sk_filter(sk, skb); if (err) - goto out; + return err; if (!sk_rmem_schedule(sk, skb->truesize)) { - err = -ENOBUFS; - goto out; + atomic_inc(&sk->sk_drops); + return -ENOBUFS; } skb->dev = NULL; @@ -314,8 +314,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) if (!sock_flag(sk, SOCK_DEAD)) sk->sk_data_ready(sk, skb_len); -out: - return err; + return 0; } EXPORT_SYMBOL(sock_queue_rcv_skb); -- cgit v1.2.3-59-g8ed1b