nbd: kill unused ret in recv_work

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>

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index dea7d85..87a0a29 100644 (file)
--- 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;
                }