From: Kefeng Wang <wangkefeng.wang@huawei.com>
Date: Thu, 13 Jul 2017 15:46:35 +0800
Subject: [PATCH] rbd: silence bogus uninitialized use warning in
 rbd_acquire_lock()
Git-commit: 37f13252579389a659ae3ceec8c60f15bdf70f0c
Patch-mainline: v4.14-rc1
References: bsc#1104967,FATE#325924

  drivers/block/rbd.c: In function 'rbd_acquire_lock':
  drivers/block/rbd.c:3602:44: error: 'ret' may be used uninitialized in this function [-Werror=maybe-uninitialized]

Silence the warning, found it when built old kernel(3.10) with
OBS(opensuse build service).

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Acked-by: Hannes Reinecke <hare@suse.com>
---
 drivers/block/rbd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index b008b6a98098..b640ad8a6d20 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -3435,7 +3435,7 @@ static void rbd_acquire_lock(struct work_struct *work)
 	struct rbd_device *rbd_dev = container_of(to_delayed_work(work),
 					    struct rbd_device, lock_dwork);
 	enum rbd_lock_state lock_state;
-	int ret;
+	int ret = 0;
 
 	dout("%s rbd_dev %p\n", __func__, rbd_dev);
 again:
-- 
2.16.4