From 85acc407bf1c49fb40b8f461c2c7526af736d87e Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Fri, 14 Nov 2008 18:18:06 +0100 Subject: [PATCH] [S390] cio: Fix refcount after moving devices. In ccw_device_move_to_orphanage(), a replacing ccw_device is searched via get_{disc,orphaned}_ccwdev_by_dev_id() which obtain a reference on the returned ccw_device. This reference must be given up again after the device has been moved to its new parent. Signed-off-by: Cornelia Huck Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/device.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 4e78c82194b..4e4008325e2 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -874,11 +874,15 @@ void ccw_device_move_to_orphanage(struct work_struct *work) replacing_cdev = get_disc_ccwdev_by_dev_id(&dev_id, cdev); if (replacing_cdev) { sch_attach_disconnected_device(sch, replacing_cdev); + /* Release reference from get_disc_ccwdev_by_dev_id() */ + put_device(&cdev->dev); return; } replacing_cdev = get_orphaned_ccwdev_by_dev_id(css, &dev_id); if (replacing_cdev) { sch_attach_orphaned_device(sch, replacing_cdev); + /* Release reference from get_orphaned_ccwdev_by_dev_id() */ + put_device(&cdev->dev); return; } sch_create_and_recog_new_device(sch); -- 2.41.0