From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Thu, 20 Dec 2018 16:23:29 +0000 (+0100)
Subject: drbd: must not use connection after kref_put(&connection->kref)
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=792c3fdd94a559b31c8d1477e37029c1ac881234;p=linux.git

drbd: must not use connection after kref_put(&connection->kref)

Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c
index 0813c654c8938..18d53fe60d1d6 100644
--- a/drivers/block/drbd/drbd_state.c
+++ b/drivers/block/drbd/drbd_state.c
@@ -2109,9 +2109,8 @@ static int w_after_conn_state_ch(struct drbd_work *w, int unused)
 			spin_unlock_irq(&connection->resource->req_lock);
 		}
 	}
-	kref_put(&connection->kref, drbd_destroy_connection);
-
 	conn_md_sync(connection);
+	kref_put(&connection->kref, drbd_destroy_connection);
 
 	return 0;
 }