1 files changed, 1 insertions, 1 deletions

diff --git a/block/ioctl.c b/block/ioctl.c
index e3f5eb9882cf..e06dbe9bc858 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -82,7 +82,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user
                         fsync_bdev(bdevp);
                         invalidate_bdev(bdevp, 0);
 
-                        mutex_lock(&bdev->bd_mutex);
+                        mutex_lock_nested(&bdev->bd_mutex, 1);
                         delete_partition(disk, part);
                         mutex_unlock(&bdev->bd_mutex);
                         mutex_unlock(&bdevp->bd_mutex);