UBI: block: Fix error path on alloc_workqueue failure

Otherwise we'd return a random value if allocation of the workqueue fails.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c
index 8d659e6a1b4c..389e5f0aee89 100644
--- a/drivers/mtd/ubi/block.c
+++ b/drivers/mtd/ubi/block.c
@@ -432,8 +432,10 @@ int ubiblock_create(struct ubi_volume_info *vi)
          * Rembember workqueues are cheap, they're not threads.
          */
         dev->wq = alloc_workqueue("%s", 0, 0, gd->disk_name);
-        if (!dev->wq)
+        if (!dev->wq) {
+                ret = -ENOMEM;
                 goto out_free_queue;
+        }
         INIT_WORK(&dev->work, ubiblock_do_work);
 
         mutex_lock(&devices_mutex);