diff mbox

Phonet: dropped datagrams accounting

Message ID 1248177479-12669-2-git-send-email-remi.denis-courmont@nokia.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Rémi Denis-Courmont July 21, 2009, 11:57 a.m. UTC 
From: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>

The per-socket drop count is visible via /proc/net/phonet.

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
---
 net/phonet/datagram.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

Comments

David Miller July 21, 2009, 7:35 p.m. UTC | #1 
From: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Date: Tue, 21 Jul 2009 14:57:58 +0300

> From: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
> 
> The per-socket drop count is visible via /proc/net/phonet.
> 
> Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>

Applied.
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diff mbox

Patch

diff --git a/net/phonet/datagram.c b/net/phonet/datagram.c
index e087862..ef5c75c 100644
--- a/net/phonet/datagram.c
+++ b/net/phonet/datagram.c
@@ -159,8 +159,11 @@  out_nofree:
 static int pn_backlog_rcv(struct sock *sk, struct sk_buff *skb)
 {
 	int err = sock_queue_rcv_skb(sk, skb);
-	if (err < 0)
+	if (err < 0) {
 		kfree_skb(skb);
+		if (err == -ENOMEM)
+			atomic_inc(&sk->sk_drops);
+	}
 	return err ? NET_RX_DROP : NET_RX_SUCCESS;
 }