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 0331ad0..9a9d4fd 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -3663,6 +3663,10 @@
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]);