rbd: tear down watch request if rbd_dev_device_setup() fails

Tear down watch request if rbd_dev_device_setup() fails.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index d078d2352c77..72a7eec456a9 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -5143,6 +5143,12 @@ static ssize_t do_rbd_add(struct bus_type *bus,
 
         rc = rbd_dev_device_setup(rbd_dev);
         if (rc) {
+                /*
+                 * rbd_dev_header_unwatch_sync() can't be moved into
+                 * rbd_dev_image_release() without refactoring, see
+                 * commit 1f3ef78861ac.
+                 */
+                rbd_dev_header_unwatch_sync(rbd_dev);
                 rbd_dev_image_release(rbd_dev);
                 goto err_out_module;
         }