UBI: get device when opening volume
When a volume is opened, get its kref via get_device() call.
And put the reference when closing the volume. With this, we
may have a bit saner volume delete.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index 24344ba..35d34b6 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -635,9 +635,12 @@
}
err = ubi_remove_volume(desc);
- if (err)
- ubi_close_volume(desc);
-
+ /*
+ * The volume is deleted, and the 'struct ubi_volume' object
+ * will be freed when 'ubi_close_volume()' will call
+ * 'put_device()'.
+ */
+ ubi_close_volume(desc);
break;
}