From: Jing Wang <windsdaemon@gmail.com>
Date: Thu, 25 Oct 2012 07:00:56 +0000 (+0800)
Subject: drbd: check return of kmalloc in receive_uuids
X-Git-Tag: next-20121112~60^2~1^2~2
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=063eacf88cc1394ece125d106c05cba1ca03aa3d;p=karo-tx-linux.git

drbd: check return of kmalloc in receive_uuids

Signed-off-by: Jing Wang <windsdaemon@gmail.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 0331ad0b61e1..9a9d4fd264a9 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -3663,6 +3663,10 @@ static int receive_uuids(struct drbd_tconn *tconn, struct packet_info *pi)
 		return config_unknown_volume(tconn, pi);
 
 	p_uuid = kmalloc(sizeof(u64)*UI_EXTENDED_SIZE, GFP_NOIO);
+	if (!p_uuid) {
+		dev_err(DEV, "kmalloc of p_uuid failed\n");
+		return false;
+	}
 
 	for (i = UI_CURRENT; i < UI_EXTENDED_SIZE; i++)
 		p_uuid[i] = be64_to_cpu(p->uuid[i]);