diff options
| -rw-r--r-- | drivers/platform/x86/hp-wmi.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index 3487c80c4b5d..4e3cee5247cc 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c @@ -461,8 +461,14 @@ static ssize_t postcode_show(struct device *dev, struct device_attribute *attr, static ssize_t als_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - u32 tmp = simple_strtoul(buf, NULL, 10); - int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, HPWMI_WRITE, &tmp, + u32 tmp; + int ret; + + ret = kstrtou32(buf, 10, &tmp); + if (ret) + return ret; + + ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, HPWMI_WRITE, &tmp, sizeof(tmp), sizeof(tmp)); if (ret) return ret < 0 ? ret : -EINVAL; |