diff options
Diffstat (limited to 'drivers/acpi/battery.c')
| -rw-r--r-- | drivers/acpi/battery.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index e48fc98e71c4..5963e6f0a1ed 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -930,7 +930,10 @@ static ssize_t acpi_battery_write_alarm(struct file *file, goto end; } alarm_string[count] = '\0'; - battery->alarm = simple_strtol(alarm_string, NULL, 0); + if (kstrtoint(alarm_string, 0, &battery->alarm)) { + result = -EINVAL; + goto end; + } result = acpi_battery_set_alarm(battery); end: if (!result) |