From: Kefeng Wang <wangkefeng.wang@huawei.com>
Date: Thu, 13 Jul 2017 19:20:44 +0800
Subject: [PATCH] nbd: kill unused ret in recv_work
Git-commit: 768516894fb2a0addee6b802af0f8789c0b4c322
Patch-mainline: v4.13-rc2
References: bsc#1104967,FATE#325924

No need to return value in queue work, kill ret variable.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Hannes Reinecke <hare@suse.com>
---
 drivers/block/nbd.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index dea7d85134ee..87a0a29f6e7e 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -626,7 +626,6 @@ static void recv_work(struct work_struct *work)
 	struct nbd_device *nbd = args->nbd;
 	struct nbd_config *config = nbd->config;
 	struct nbd_cmd *cmd;
-	int ret = 0;
 
 	while (1) {
 		cmd = nbd_read_stat(nbd, args->index);
@@ -636,7 +635,6 @@ static void recv_work(struct work_struct *work)
 			mutex_lock(&nsock->tx_lock);
 			nbd_mark_nsock_dead(nbd, nsock, 1);
 			mutex_unlock(&nsock->tx_lock);
-			ret = PTR_ERR(cmd);
 			break;
 		}
 
-- 
2.16.4