block: use put_device in put_disk

Use put_device to put the device instead of poking into the internals
and using kobject_put.

Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/block/genhd.c b/block/genhd.c
index 56bc37e98ed852b793fab2b5d4a5fdc430dd61ac..f1e20ec1b628870de2cb06be35af6064a2028f8c 100644 (file)
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1659,7 +1659,7 @@ EXPORT_SYMBOL(__alloc_disk_node);
 void put_disk(struct gendisk *disk)
 {
        if (disk)
-               kobject_put(&disk_to_dev(disk)->kobj);
+               put_device(disk_to_dev(disk));
 }
 EXPORT_SYMBOL(put_disk);