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net: sk_drops consolidation

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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 <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2009-10-14 20:40:11 -07:00
committed by David S. Miller
parent 48bccd25df
commit 766e9037cc
9 changed files with 20 additions and 34 deletions
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15
net/core/sock.c
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@@ -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);