diff options
Diffstat (limited to 'drivers/s390/cio/cmf.c')
| -rw-r--r-- | drivers/s390/cio/cmf.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c index 220491d27ef4..be0b010ff136 100644 --- a/drivers/s390/cio/cmf.c +++ b/drivers/s390/cio/cmf.c @@ -227,6 +227,7 @@ static void cmf_set_schib_release(struct kref *kref) } #define CMF_PENDING 1 +#define SET_SCHIB_TIMEOUT (10 * HZ) static int set_schib_wait(struct ccw_device *cdev, u32 mme, int mbfc, unsigned long address) @@ -263,19 +264,19 @@ static int set_schib_wait(struct ccw_device *cdev, u32 mme, cdev->private->state = DEV_STATE_CMFCHANGE; set_data->ret = CMF_PENDING; cdev->private->cmb_wait = set_data; - spin_unlock_irq(cdev->ccwlock); - if (wait_event_interruptible(set_data->wait, - set_data->ret != CMF_PENDING)) { - spin_lock_irq(cdev->ccwlock); + + ret = wait_event_interruptible_timeout(set_data->wait, + set_data->ret != CMF_PENDING, + SET_SCHIB_TIMEOUT); + spin_lock_irq(cdev->ccwlock); + if (ret <= 0) { if (set_data->ret == CMF_PENDING) { - set_data->ret = -ERESTARTSYS; + set_data->ret = (ret == 0) ? -ETIME : ret; if (cdev->private->state == DEV_STATE_CMFCHANGE) cdev->private->state = DEV_STATE_ONLINE; } - spin_unlock_irq(cdev->ccwlock); } - spin_lock_irq(cdev->ccwlock); cdev->private->cmb_wait = NULL; ret = set_data->ret; out_put: |