diff options
Diffstat (limited to 'drivers/s390/cio/ccwgroup.c')
| -rw-r--r-- | drivers/s390/cio/ccwgroup.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c index fe1ad172215..85b2e51a42a 100644 --- a/drivers/s390/cio/ccwgroup.c +++ b/drivers/s390/cio/ccwgroup.c @@ -318,7 +318,7 @@ ccwgroup_online_store (struct device *dev, struct device_attribute *attr, const { struct ccwgroup_device *gdev; struct ccwgroup_driver *gdrv; - unsigned int value; + unsigned long value; int ret; gdev = to_ccwgroupdev(dev); @@ -329,7 +329,9 @@ ccwgroup_online_store (struct device *dev, struct device_attribute *attr, const if (!try_module_get(gdrv->owner)) return -EINVAL; - value = simple_strtoul(buf, NULL, 0); + ret = strict_strtoul(buf, 0, &value); + if (ret) + goto out; ret = count; if (value == 1) ccwgroup_set_online(gdev); @@ -337,6 +339,7 @@ ccwgroup_online_store (struct device *dev, struct device_attribute *attr, const ccwgroup_set_offline(gdev); else ret = -EINVAL; +out: module_put(gdrv->owner); return ret; } |