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block: Fix double free in blk_integrity_unregister 

Commit 3839e4b introduced a kobject_put but failed to remove the
kmem_cache_free beneath it, leading to a double free.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
Martin K. Petersen 2010-10-15 15:49:18 +02:00 committed by Jens Axboe
parent 892b6f90db
commit e817bf3f68
1 changed files with 0 additions and 1 deletions
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block/blk-integrity.c
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@ -432,7 +432,6 @@ void blk_integrity_unregister(struct gendisk *disk)
kobject_uevent(&bi->kobj, KOBJ_REMOVE); kobject_uevent(&bi->kobj, KOBJ_REMOVE);
kobject_del(&bi->kobj); kobject_del(&bi->kobj);
kobject_put(&bi->kobj); kobject_put(&bi->kobj);
kmem_cache_free(integrity_cachep, bi);
disk->integrity = NULL; disk->integrity = NULL;
} }
EXPORT_SYMBOL(blk_integrity_unregister); EXPORT_SYMBOL(blk_integrity_unregister);