From e5024e423c13ac30cedc6871d8acc3516fde324d Mon Sep 17 00:00:00 2001
From: Krzysztof Mazur <krzysiek@podlesie.net>
Date: Wed, 28 Nov 2012 09:08:04 +0100
Subject: [PATCH] --- yaml --- r: 341709 b: refs/heads/master c:
 9eba25268e5862571d53122065616c456fe1142a h: refs/heads/master i:   341707:
 d1729339946a0b584030e64fae6e45c0c5934278 v: v3

---
 [refs]                 | 2 +-
 trunk/net/atm/br2684.c | 7 +++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/[refs] b/[refs]
index a1a3bda29942..8863a1bb3b97 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 007ef52be171b9eee6f4099d3e5706e8068d31ef
+refs/heads/master: 9eba25268e5862571d53122065616c456fe1142a
diff --git a/trunk/net/atm/br2684.c b/trunk/net/atm/br2684.c
index 6dc383c90262..403e71fa88fe 100644
--- a/trunk/net/atm/br2684.c
+++ b/trunk/net/atm/br2684.c
@@ -735,10 +735,13 @@ static int br2684_ioctl(struct socket *sock, unsigned int cmd,
 			return -ENOIOCTLCMD;
 		if (!capable(CAP_NET_ADMIN))
 			return -EPERM;
-		if (cmd == ATM_SETBACKEND)
+		if (cmd == ATM_SETBACKEND) {
+			if (sock->state != SS_CONNECTED)
+				return -EINVAL;
 			return br2684_regvcc(atmvcc, argp);
-		else
+		} else {
 			return br2684_create(argp);
+		}
 #ifdef CONFIG_ATM_BR2684_IPFILTER
 	case BR2684_SETFILT:
 		if (atmvcc->push != br2684_push)