From 6d65e5eee6fc8fa9abef9e78e7e789c2cb06f95c Mon Sep 17 00:00:00 2001
From: Michio Honda <micchie@sfc.wide.ad.jp>
Date: Fri, 10 Jun 2011 16:42:14 +0900
Subject: [PATCH] sctp: kzalloc() error handling on deleting last address

Signed-off-by: Michio Honda <micchie@sfc.wide.ad.jp>
Acked-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sctp/socket.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index e7e1b142875c..60038fef3ba1 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -786,6 +786,10 @@ static int sctp_send_asconf_del_ip(struct sock		*sk,
 				continue;
 			asoc->asconf_addr_del_pending =
 			    kzalloc(sizeof(union sctp_addr), GFP_ATOMIC);
+			if (asoc->asconf_addr_del_pending == NULL) {
+				retval = -ENOMEM;
+				goto out;
+			}
 			asoc->asconf_addr_del_pending->sa.sa_family =
 				    addrs->sa_family;
 			asoc->asconf_addr_del_pending->v4.sin_port =
-- 
2.20.1