blkfront: Fix gendisk leak

Signed-off-by: Daniel Stodden <daniel.stodden@citrix.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 3258ae67ac7a12227940466a5b70bb9db7cd46d1..62d32959095d22c92b55545b5c8dba05b30843c7 100644 (file)
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -1029,6 +1029,9 @@ static void blkfront_closing(struct blkfront_info *info)
        blk_cleanup_queue(info->rq);
        info->rq = NULL;
 
+       put_disk(info->gd);
+       info->gd = NULL;
+
  out:
        if (info->xbdev)
                xenbus_frontend_closed(info->xbdev);