Commit ffa8d2a3 authored Dec 18, 2009 by Sebastian Ott Committed by Martin Schwidefsky Dec 18, 2009

[S390] cio: fix drvdata usage for the console subchannel

Using dev_set_drvdata prior to device_register will force the driver core
to kmalloc its private data. Since we use this for the console subchannel
lets set the drvdata before taking the subchannels spinlock.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent 70ee9518

drivers/s390/cio/device.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1519,6 +1519,7 @@ static int ccw_device_console_enable(struct ccw_device *cdev,
		sch->driver = &io_subchannel_driver;
		/* Initialize the ccw_device structure. */
		cdev->dev.parent= &sch->dev;
		sch_set_cdev(sch, cdev);
		io_subchannel_recog(cdev, sch);
		/* Now wait for the async. recognition to come to an end. */
		spin_lock_irq(cdev->ccwlock);