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Message-Id: <1366727277-19522-6-git-send-email-nicolas.dichtel@6wind.com>
Date:	Tue, 23 Apr 2013 16:27:57 +0200
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, Nicolas Dichtel <nicolas.dichtel@...nd.com>
Subject: [PATCH net-next 5/5] sock_diag: notify when filter change

Filter is advertised in packet diag messages, hence we may update the status
when a filter is updated.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
---
 net/core/filter.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/core/filter.c b/net/core/filter.c
index dad2a17..8b08c7a 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -40,6 +40,7 @@
 #include <linux/ratelimit.h>
 #include <linux/seccomp.h>
 #include <linux/if_vlan.h>
+#include <linux/sock_diag.h>
 
 /* No hurry in this branch
  *
@@ -755,6 +756,7 @@ int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk)
 
 	if (old_fp)
 		sk_filter_uncharge(sk, old_fp);
+	sock_diag_notify(sk, 1);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(sk_attach_filter);
@@ -773,6 +775,7 @@ int sk_detach_filter(struct sock *sk)
 		RCU_INIT_POINTER(sk->sk_filter, NULL);
 		sk_filter_uncharge(sk, filter);
 		ret = 0;
+		sock_diag_notify(sk, 1);
 	}
 	return ret;
 }
-- 
1.8.2.1

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