From: Michio Honda <micchie@sfc.wide.ad.jp>
Date: Fri, 10 Jun 2011 07:42:14 +0000 (+0900)
Subject: sctp: kzalloc() error handling on deleting last address
X-Git-Tag: upstream/snapshot3+hdmi~9624^2~450^2~11
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6d65e5eee6fc8fa9abef9e78e7e789c2cb06f95c;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

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>
---

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index e7e1b14..60038fe 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 =