[dm-devel] [patch] dm: fix an error code in local_init()
Dan Carpenter
dan.carpenter at oracle.com
Tue Jul 8 10:55:36 UTC 2014
We return success if we can't allocate a work queue but we should return
-ENOMEM. The code was a bit messy so that's why this small bug was
introduced and I have cleaned that as well.
Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 3281615..aa2b12e 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -263,12 +263,12 @@ EXPORT_SYMBOL_GPL(dm_get_reserved_rq_based_ios);
static int __init local_init(void)
{
- int r = -ENOMEM;
+ int r;
/* allocate a slab for the dm_ios */
_io_cache = KMEM_CACHE(dm_io, 0);
if (!_io_cache)
- return r;
+ return -ENOMEM;
_rq_tio_cache = KMEM_CACHE(dm_rq_target_io, 0);
if (!_rq_tio_cache)
@@ -279,8 +279,10 @@ static int __init local_init(void)
goto out_free_rq_tio_cache;
deferred_remove_workqueue = alloc_workqueue("kdmremove", WQ_UNBOUND, 1);
- if (!deferred_remove_workqueue)
+ if (!deferred_remove_workqueue) {
+ r = -ENOMEM;
goto out_uevent_exit;
+ }
_major = major;
r = register_blkdev(_major, _name);
More information about the dm-devel
mailing list