drivers/block/loop.c: emit uevent on auto release

The loopback driver failed to emit the change uevent when auto releasing
the device.  Fixed lo_release() to pass the bdev to loop_clr_fd() so it
can emit the event.

Signed-off-by: Phillip Susi <psusi@cfl.rr.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Ayan George <ayan@ayan.net>
Signed-off-by: Andrew Morton <akpm@google.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index b336433f815..c2ce03cf3a5 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1583,7 +1583,7 @@ static int lo_release(struct gendisk *disk, fmode_t mode)
                  * In autoclear mode, stop the loop thread
                  * and remove configuration after last close.
                  */
-                err = loop_clr_fd(lo, NULL);
+                err = loop_clr_fd(lo, lo->lo_device);
                 if (!err)
                         goto out_unlocked;
         } else {