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authorPeter Oberparleiter <peter.oberparleiter@de.ibm.com>2006-10-04 20:02:30 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2006-10-04 20:02:30 +0200
commit3bdc9d0b408e01c4e556daba0035ba37f603e920 (patch)
tree038f5c938c0116e3cbc9585ae76bfaf14bb24242 /drivers/s390/cio
parent3230015e15d4cf48e1df80fcf70d150f490cffe6 (diff)
[S390] cio: improve unit check handling for internal operations
Retry internal operation after unit check instead of aborting them. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio')
-rw-r--r--drivers/s390/cio/device_ops.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index 8994800dba4..84b9b18eabc 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -288,10 +288,10 @@ ccw_device_wake_up(struct ccw_device *cdev, unsigned long ip, struct irb *irb)
if (cdev->private->flags.doverify ||
cdev->private->state == DEV_STATE_VERIFY)
cdev->private->intparm = -EAGAIN;
- if ((irb->scsw.dstat & DEV_STAT_UNIT_CHECK) &&
- !(irb->ecw[0] &
- (SNS0_CMD_REJECT | SNS0_INTERVENTION_REQ)))
- cdev->private->intparm = -EAGAIN;
+ else if ((irb->scsw.dstat & DEV_STAT_UNIT_CHECK) &&
+ !(irb->ecw[0] &
+ (SNS0_CMD_REJECT | SNS0_INTERVENTION_REQ)))
+ cdev->private->intparm = -EAGAIN;
else if ((irb->scsw.dstat & DEV_STAT_ATTENTION) &&
(irb->scsw.dstat & DEV_STAT_DEV_END) &&
(irb->scsw.dstat & DEV_STAT_UNIT_EXCEP))