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drbd: check return of kmalloc in receive_uuids

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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>
This commit is contained in:
Jing Wang 2012-10-25 15:00:56 +08:00 • committed by Philipp Reisner
parent 986836503e
commit 063eacf88c
1 changed files with 4 additions and 0 deletions
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4
drivers/block/drbd/drbd_receiver.c
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@ -3663,6 +3663,10 @@ static int receive_uuids(struct drbd_tconn *tconn, struct packet_info *pi)
return config_unknown_volume(tconn, pi); return config_unknown_volume(tconn, pi);
p_uuid = kmalloc(sizeof(u64)*UI_EXTENDED_SIZE, GFP_NOIO); 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++) for (i = UI_CURRENT; i < UI_EXTENDED_SIZE; i++)
p_uuid[i] = be64_to_cpu(p->uuid[i]); p_uuid[i] = be64_to_cpu(p->uuid[i]);