diff options
| author | Dmitry Antipov <dmantipov@yandex.ru> | 2026-07-02 19:02:40 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2026-07-22 17:04:10 +0200 |
| commit | f1e50b1bcc2377f16574f891c8650def928647ee (patch) | |
| tree | 78d1659094c8f51d2cbe18b12170585ff0d97161 | |
| parent | 5cc6da534cc36230943f6e4ce1c35493afe4729e (diff) | |
thermal: intel: int340x: simplify ptc_temperature_write()
Simplify 'ptc_temperature_write()' by using the convenient
'kstrtou32_from_user()'.
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Link: https://patch.msgid.link/20260702160240.2929965-1-dmantipov@yandex.ru
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| -rw-r--r-- | drivers/thermal/intel/int340x_thermal/platform_temperature_control.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/thermal/intel/int340x_thermal/platform_temperature_control.c b/drivers/thermal/intel/int340x_thermal/platform_temperature_control.c index d92a6f84a778..43cb809c5dcc 100644 --- a/drivers/thermal/intel/int340x_thermal/platform_temperature_control.c +++ b/drivers/thermal/intel/int340x_thermal/platform_temperature_control.c @@ -227,17 +227,12 @@ static ssize_t ptc_temperature_write(struct file *file, const char __user *data, { struct ptc_data *ptc_instance = file->private_data; struct pci_dev *pdev = ptc_instance->pdev; - char buf[32]; - ssize_t len; u32 value; + int ret; - len = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, data, len)) - return -EFAULT; - - buf[len] = '\0'; - if (kstrtouint(buf, 0, &value)) - return -EINVAL; + ret = kstrtou32_from_user(data, count, 0, &value); + if (unlikely(ret)) + return ret; if (ptc_mmio_regs[PTC_TEMP_OVERRIDE_INDEX].units) value /= ptc_mmio_regs[PTC_TEMP_OVERRIDE_INDEX].units; |