drbd: drbd_delete_device() takes a struct drbd_conf * now

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

drivers/block/drbd/drbd_int.h

@@ -1367,7 +1367,7 @@ extern rwlock_t global_state_lock;
 extern int conn_lowest_minor(struct drbd_tconn *tconn);
 enum drbd_ret_code conn_new_minor(struct drbd_tconn *tconn, unsigned int minor, int vnr);
 extern void drbd_free_mdev(struct drbd_conf *mdev);
-extern void drbd_delete_device(unsigned int minor);
+extern void drbd_delete_device(struct drbd_conf *mdev);
 
 struct drbd_tconn *drbd_new_tconn(const char *name);
 extern void drbd_free_tconn(struct drbd_tconn *tconn);

drivers/block/drbd/drbd_main.c

@@ -2204,15 +2204,10 @@ static void drbd_release_all_peer_reqs(struct drbd_conf *mdev)
 }
 
 /* caution. no locking. */
-void drbd_delete_device(unsigned int minor)
+void drbd_delete_device(struct drbd_conf *mdev)
 {
-	struct drbd_conf *mdev = minor_to_mdev(minor);
-
-	if (!mdev)
-		return;
-
 	idr_remove(&mdev->tconn->volumes, mdev->vnr);
-	idr_remove(&minors, minor);
+	idr_remove(&minors, mdev_to_minor(mdev));
 	synchronize_rcu();
 
 	/* paranoia asserts */
@@ -2265,7 +2260,8 @@ static void drbd_cleanup(void)
 	drbd_genl_unregister();
 
 	idr_for_each_entry(&minors, mdev, i)
-		drbd_delete_device(i);
+		drbd_delete_device(mdev);
+
 	drbd_destroy_mempools();
 	unregister_blkdev(DRBD_MAJOR, "drbd");
 

drivers/block/drbd/drbd_nl.c

@@ -2861,7 +2861,7 @@ static enum drbd_ret_code adm_delete_minor(struct drbd_conf *mdev)
 	     * we may want to delete a minor from a live replication group.
 	     */
 	    mdev->state.role == R_SECONDARY) {
-		drbd_delete_device(mdev_to_minor(mdev));
+		drbd_delete_device(mdev);
 		return NO_ERROR;
 	} else
 		return ERR_MINOR_CONFIGURED;