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UBI: avoid workqueue format string leak 

When building the name for the workqueue thread, make sure a format
string cannot leak in from the disk name.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
This commit is contained in:
Kees Cook 2014-04-07 21:44:07 -07:00 committed by Artem Bityutskiy
parent 3d21bb7667
commit bebfef150e
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/ubi/block.c
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@ -431,7 +431,7 @@ int ubiblock_create(struct ubi_volume_info *vi)
* Create one workqueue per volume (per registered block device).
* Rembember workqueues are cheap, they're not threads.
*/
dev->wq = alloc_workqueue(gd->disk_name, 0, 0);
dev->wq = alloc_workqueue("%s", 0, 0, gd->disk_name);
if (!dev->wq)
goto out_free_queue;
INIT_WORK(&dev->work, ubiblock_do_work);