This avoids surprises like echoing "enable" into a sysfs file and finding that the feature was actually disabled.
Signed-off-by: Mattia Dongili <[email protected]> --- drivers/platform/x86/sony-laptop.c | 26 +++++++++++++++++--------- 1 file changed, 17 insertions(+), 9 deletions(-) diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c index 6aefd35..d6c53c6 100644 --- a/drivers/platform/x86/sony-laptop.c +++ b/drivers/platform/x86/sony-laptop.c @@ -944,7 +944,8 @@ static ssize_t sony_nc_sysfs_store(struct device *dev, struct device_attribute *attr, const char *buffer, size_t count) { - int value, ret = 0; + unsigned long value = 0; + int ret = 0; struct sony_nc_value *item = container_of(attr, struct sony_nc_value, devattr); @@ -954,7 +955,8 @@ static ssize_t sony_nc_sysfs_store(struct device *dev, if (count > 31) return -EINVAL; - value = simple_strtoul(buffer, NULL, 10); + if (kstrtoul(buffer, 10, &value)) + return -EINVAL; if (item->validate) value = item->validate(SNC_VALIDATE_IN, value); @@ -962,8 +964,8 @@ static ssize_t sony_nc_sysfs_store(struct device *dev, if (value < 0) return value; - ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, &value, - NULL); + ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, + (int *)&value, NULL); if (ret < 0) return -EIO; @@ -1445,7 +1447,7 @@ static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev, if (count > 31) return -EINVAL; - if (strict_strtoul(buffer, 10, &value)) + if (kstrtoul(buffer, 10, &value)) return -EINVAL; ret = __sony_nc_kbd_backlight_mode_set(value); @@ -1489,7 +1491,7 @@ static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev, if (count > 31) return -EINVAL; - if (strict_strtoul(buffer, 10, &value)) + if (kstrtoul(buffer, 10, &value)) return -EINVAL; ret = __sony_nc_kbd_backlight_timeout_set(value); @@ -2439,7 +2441,9 @@ static ssize_t sony_pic_wwanpower_store(struct device *dev, if (count > 31) return -EINVAL; - value = simple_strtoul(buffer, NULL, 10); + if (kstrtoul(buffer, 10, &value)) + return -EINVAL; + mutex_lock(&spic_dev.lock); __sony_pic_set_wwanpower(value); mutex_unlock(&spic_dev.lock); @@ -2476,7 +2480,9 @@ static ssize_t sony_pic_bluetoothpower_store(struct device *dev, if (count > 31) return -EINVAL; - value = simple_strtoul(buffer, NULL, 10); + if (kstrtoul(buffer, 10, &value)) + return -EINVAL; + mutex_lock(&spic_dev.lock); __sony_pic_set_bluetoothpower(value); mutex_unlock(&spic_dev.lock); @@ -2515,7 +2521,9 @@ static ssize_t sony_pic_fanspeed_store(struct device *dev, if (count > 31) return -EINVAL; - value = simple_strtoul(buffer, NULL, 10); + if (kstrtoul(buffer, 10, &value)) + return -EINVAL; + if (sony_pic_set_fanspeed(value)) return -EIO; -- 1.7.10 -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
