diff options
| -rw-r--r-- | drivers/platform/x86/asus-wmi.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 1a76d878852f..6b1f661a6ce6 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -1989,32 +1989,25 @@ static int asus_wmi_notify_queue_flush(struct asus_wmi *asus) /* Sysfs **********************************************************************/ -static int parse_arg(const char *buf, unsigned long count, int *val) -{ - if (!count) - return 0; - if (sscanf(buf, "%i", val) != 1) - return -EINVAL; - return count; -} - static ssize_t store_sys_wmi(struct asus_wmi *asus, int devid, const char *buf, size_t count) { u32 retval; - int rv, err, value; + int err, value; value = asus_wmi_get_devstate_simple(asus, devid); if (value < 0) return value; - rv = parse_arg(buf, count, &value); - err = asus_wmi_set_devstate(devid, value, &retval); + err = kstrtoint(buf, 0, &value); + if (err) + return err; + err = asus_wmi_set_devstate(devid, value, &retval); if (err < 0) return err; - return rv; + return count; } static ssize_t show_sys_wmi(struct asus_wmi *asus, int devid, char *buf) @@ -2063,8 +2056,10 @@ static ssize_t cpufv_store(struct device *dev, struct device_attribute *attr, { int value, rv; - if (!count || sscanf(buf, "%i", &value) != 1) - return -EINVAL; + rv = kstrtoint(buf, 0, &value); + if (rv) + return rv; + if (value < 0 || value > 2) return -EINVAL; |