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-rw-r--r--drivers/block/xen-blkback/xenbus.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c
index ca3a414..c92b358 100644
--- a/drivers/block/xen-blkback/xenbus.c
+++ b/drivers/block/xen-blkback/xenbus.c
@@ -749,8 +749,14 @@ static void frontend_changed(struct xenbus_device *dev,
}
err = connect_ring(be);
- if (err)
+ if (err) {
+ /*
+ * Clean up so that memory resources can be used by
+ * other devices. connect_ring reported already error.
+ */
+ xen_blkif_disconnect(be->blkif);
break;
+ }
xen_update_blkif_status(be->blkif);
break;
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