From: Jing Wang <windsdaemon@gmail.com>
To: Lars Ellenberg <drbd-dev@lists.linbit.com>, drbd-user@lists.linbit.com
Cc: Jing Wang <windsdaemon@gmail.com>
Subject: [Drbd-dev] [PATCH 1/1] drbd: check return of kmalloc in receive_uuids
Date: Thu, 25 Oct 2012 15:00:56 +0800 [thread overview]
Message-ID: <1351148456-11129-1-git-send-email-windsdaemon@gmail.com> (raw)
Signed-off-by: Jing Wang <windsdaemon@gmail.com>
---
drivers/block/drbd/drbd_receiver.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index c74ca2d..4227f38 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -3076,10 +3076,14 @@ static int receive_sizes(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned
static int receive_uuids(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned int data_size)
{
struct p_uuids *p = &mdev->data.rbuf.uuids;
- u64 *p_uuid;
+ u64 *p_uuid = NULL;
int i, updated_uuids = 0;
p_uuid = kmalloc(sizeof(u64)*UI_EXTENDED_SIZE, GFP_NOIO);
+ if (!p_uuid) {
+ dev_err(DEV, "kmalloc of p_uuid failed\n");
+ return -ENOMEM;
+ }
for (i = UI_CURRENT; i < UI_EXTENDED_SIZE; i++)
p_uuid[i] = be64_to_cpu(p->uuid[i]);
--
1.7.5.4
next reply other threads:[~2012-10-27 9:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-25 7:00 Jing Wang [this message]
2012-10-29 10:26 ` [Drbd-dev] [PATCH 1/1] drbd: check return of kmalloc in receive_uuids Philipp Reisner
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