From: Peter Oberparleiter Date: Tue, 9 Sep 2008 10:38:59 +0000 (+0200) Subject: [S390] cio: allow offline processing for disconnected devices X-Git-Tag: v2.6.27-rc6~5^2 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=b301ea8c81b13123761772f344faf606c76ba174;p=linux-2.6-omap-h63xx.git [S390] cio: allow offline processing for disconnected devices When disconnected ccw devices are removed, the device has to be set offline, otherwise there will be side effects including a reference count imbalance. This patch modifies ccw_device_offline to work for devices in disconnecte/not operational state. ccw_device_offline is called by cio for devices which are online during device removal. Signed-off-by: Peter Oberparleiter Signed-off-by: Martin Schwidefsky --- diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index 550508df952..84cc9ea346d 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -658,6 +658,13 @@ ccw_device_offline(struct ccw_device *cdev) { struct subchannel *sch; + /* Allow ccw_device_offline while disconnected. */ + if (cdev->private->state == DEV_STATE_DISCONNECTED || + cdev->private->state == DEV_STATE_NOT_OPER) { + cdev->private->flags.donotify = 0; + ccw_device_done(cdev, DEV_STATE_NOT_OPER); + return 0; + } if (ccw_device_is_orphan(cdev)) { ccw_device_done(cdev, DEV_STATE_OFFLINE); return 0;