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authorZdenek Kabelac <zkabelac@redhat.com>2009-10-16 23:18:15 +0100
committerAlasdair G Kergon <agk@redhat.com>2009-10-16 23:18:15 +0100
commit03022c54b9725026c0370a810168975c387ad04c (patch)
tree3d16ed7e303effca715f0ea78f022252f48e1257 /drivers/md/dm.c
parentbca915aae803cf01fde4461fc9c093cf5a86d7fc (diff)
downloadop-kernel-dev-03022c54b9725026c0370a810168975c387ad04c.zip
op-kernel-dev-03022c54b9725026c0370a810168975c387ad04c.tar.gz
dm: add missing del_gendisk to alloc_dev error path
Add missing del_gendisk() to error path when creation of workqueue fails. Otherwice there is a resource leak and following warning is shown: WARNING: at fs/sysfs/dir.c:487 sysfs_add_one+0xc5/0x160() sysfs: cannot create duplicate filename '/devices/virtual/block/dm-0' Cc: stable@kernel.org Signed-off-by: Zdenek Kabelac <zkabelac@redhat.com> Reviewed-by: Jonathan Brassow <jbrassow@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm.c')
-rw-r--r--drivers/md/dm.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 376f1ab..c5f9918 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1822,6 +1822,7 @@ static struct mapped_device *alloc_dev(int minor)
bad_bdev:
destroy_workqueue(md->wq);
bad_thread:
+ del_gendisk(md->disk);
put_disk(md->disk);
bad_disk:
blk_cleanup_queue(md->queue);
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