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| author |   Vineeth Vijayan <vneethv@linux.ibm.com> | 2021-09-17 15:04:01 +0200 |
|---|---|---|
| committer |   Vasily Gorbik <gor@linux.ibm.com> | 2021-10-04 09:49:36 +0200 |
| commit | 0c3812c347bfb0dc213556a195e79850c55702f5 (patch) | |
| tree | 0589f1f22334f731f866c9996e6c05567631bce7 | |
| parent | s390/pci: add simpler s390dbf traces for events (diff) | |
| download | linux-dev-0c3812c347bfb0dc213556a195e79850c55702f5.tar.xz linux-dev-0c3812c347bfb0dc213556a195e79850c55702f5.zip | |
s390/cio: derive cdev information only for IO-subchannels
cdev->online for the purge function must not be checked for the
non-IO subchannel type. Make sure that we are deriving the cdev only
from sch-type SUBCHANNEL_TYPE_IO.
Signed-off-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
| -rw-r--r-- | drivers/s390/cio/css.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 44461928aab8..2bc55ccf3f23 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -792,10 +792,13 @@ static int __unset_online(struct device *dev, void *data) { struct idset *set = data; struct subchannel *sch = to_subchannel(dev); - struct ccw_device *cdev = sch_get_cdev(sch); + struct ccw_device *cdev; - if (cdev && cdev->online) - idset_sch_del(set, sch->schid); + if (sch->st == SUBCHANNEL_TYPE_IO) { + cdev = sch_get_cdev(sch); + if (cdev && cdev->online) + idset_sch_del(set, sch->schid); + } return 0; } |