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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2009-10-14 20:40:11 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-10-14 20:40:11 -0700 |
| commit | 766e9037cc139ee25ed93ee5ad11e1450c4b99f6 (patch) | |
| tree | 062702b8edf203a6e91d1e6853ab24989617d758 /net/ipv4/udp.c | |
| parent | 48bccd25df71f4f8177cb800f4b288222eb57761 (diff) | |
| download | op-kernel-dev-766e9037cc139ee25ed93ee5ad11e1450c4b99f6.zip op-kernel-dev-766e9037cc139ee25ed93ee5ad11e1450c4b99f6.tar.gz | |
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 <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/udp.c')
| -rw-r--r-- | net/ipv4/udp.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index ee61b3f..45a8a7e 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1063,25 +1063,22 @@ EXPORT_SYMBOL(udp_lib_unhash); static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) { - int is_udplite = IS_UDPLITE(sk); - int rc; + int rc = sock_queue_rcv_skb(sk, skb); + + if (rc < 0) { + int is_udplite = IS_UDPLITE(sk); - if ((rc = sock_queue_rcv_skb(sk, skb)) < 0) { /* Note that an ENOMEM error is charged twice */ - if (rc == -ENOMEM) { + if (rc == -ENOMEM) UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS, is_udplite); - atomic_inc(&sk->sk_drops); - } - goto drop; + UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite); + kfree_skb(skb); + return -1; } return 0; -drop: - UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite); - kfree_skb(skb); - return -1; } /* returns: |
