netdev - [PATCH] netns: fix proxy ARP entries listing on a netns

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Message-Id: <1321904774-3030-1-git-send-email-jorge@dti2.net>
Date:	Mon, 21 Nov 2011 20:46:14 +0100
From:	"Jorge Boncompte [DTI2]" <jorge@...2.net>
To:	netdev@...r.kernel.org
Cc:	"Jorge Boncompte [DTI2]" <jorge@...2.net>
Subject: [PATCH] netns: fix proxy ARP entries listing on a netns

From: "Jorge Boncompte [DTI2]" <jorge@...2.net>

Skip entries from foreign network namespaces.

Signed-off-by: Jorge Boncompte [DTI2] <jorge@...2.net>
---
 net/core/neighbour.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 039d51e..2adcbeb 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -2397,6 +2397,7 @@ static struct pneigh_entry *pneigh_get_next(struct seq_file *seq,
 	struct net *net = seq_file_net(seq);
 	struct neigh_table *tbl = state->tbl;
 
+restart:
 	pn = pn->next;
 	while (!pn) {
 		if (++state->bucket > PNEIGH_HASHMASK)
@@ -2408,6 +2409,9 @@ static struct pneigh_entry *pneigh_get_next(struct seq_file *seq,
 			break;
 	}
 
+	if (pn && !net_eq(pneigh_net(pn), net))
+		goto restart;
+
 	if (pn && pos)
 		--(*pos);
 
-- 
1.7.7.1


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