diff options
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/cio/ccwgroup.c | 2 | ||||
| -rw-r--r-- | drivers/s390/cio/css.c | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c index 34b9ad6b3143..158b5ce45b3b 100644 --- a/drivers/s390/cio/ccwgroup.c +++ b/drivers/s390/cio/ccwgroup.c @@ -369,7 +369,7 @@ int ccwgroup_create_dev(struct device *parent, struct ccwgroup_driver *gdrv, goto error; } /* Check for trailing stuff. */ - if (i == num_devices && strlen(buf) > 0) { + if (i == num_devices && buf && strlen(buf) > 0) { rc = -EINVAL; goto error; } diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index d3e504c3c362..dadff1838fec 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -1178,6 +1178,8 @@ device_initcall(cio_settle_init); int sch_is_pseudo_sch(struct subchannel *sch) { + if (!sch->dev.parent) + return 0; return sch == to_css(sch->dev.parent)->pseudo_subchannel; } |