4.4-stable review patch. If anyone has any objections, please let me know.
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From: Sebastian Ott sebott@linux.vnet.ibm.com
[ Upstream commit 410d5e13e7638bc146321671e223d56495fbf3c7 ]
When we terminate driver I/O (because we need to stop using a certain channel path) we also need to ensure that a timer (which may have been set up using ccw_device_start_timeout) is cleared.
Signed-off-by: Sebastian Ott sebott@linux.vnet.ibm.com Signed-off-by: Martin Schwidefsky schwidefsky@de.ibm.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/s390/cio/device_fsm.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -923,6 +923,7 @@ void ccw_device_kill_io(struct ccw_devic { int ret;
+ ccw_device_set_timeout(cdev, 0); cdev->private->iretry = 255; cdev->private->async_kill_io_rc = -EIO; ret = ccw_device_cancel_halt_clear(cdev);