diff options
Diffstat (limited to 'drivers/platform/x86/toshiba_acpi.c')
| -rw-r--r-- | drivers/platform/x86/toshiba_acpi.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index 4c8fa7b72891..2a84652a4f0e 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -1343,12 +1343,18 @@ static ssize_t toshiba_touchpad_store(struct device *dev, { struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); int state; + int ret; /* Set the TouchPad on/off, 0 - Disable | 1 - Enable */ - if (sscanf(buf, "%i", &state) == 1 && (state == 0 || state == 1)) { - if (toshiba_touchpad_set(toshiba, state) < 0) - return -EIO; - } + ret = kstrtoint(buf, 0, &state); + if (ret) + return ret; + if (state != 0 && state != 1) + return -EINVAL; + + ret = toshiba_touchpad_set(toshiba, state); + if (ret) + return ret; return count; } |