diff options
| author | Su Hui <suhui@nfschina.com> | 2023-10-20 16:55:19 +0800 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2023-10-28 09:21:36 -0700 |
| commit | b92b2984a5b62099ab7731bc3a30a0d7c83a01d4 (patch) | |
| tree | cb063573b6b87553a0106723c275eb4e073b4b66 /drivers | |
| parent | 748465a53eedbc2c440ac07f6b2328de6263dbfd (diff) | |
hwmon: (npcm750-pwm) Add an error code check in npcm7xx_en_pwm_fan
npcm7xx_pwm_config_set() can return '-ENODEV' for failed. So check
the value of 'ret' after calling npcm7xx_pwm_config_set().
Signed-off-by: Su Hui <suhui@nfschina.com>
Link: https://lore.kernel.org/r/20231020085518.198477-1-suhui@nfschina.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hwmon/npcm750-pwm-fan.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/hwmon/npcm750-pwm-fan.c b/drivers/hwmon/npcm750-pwm-fan.c index 10ed3f4335d4..4702e4edc662 100644 --- a/drivers/hwmon/npcm750-pwm-fan.c +++ b/drivers/hwmon/npcm750-pwm-fan.c @@ -875,6 +875,8 @@ static int npcm7xx_en_pwm_fan(struct device *dev, data->pwm_present[pwm_port] = true; ret = npcm7xx_pwm_config_set(data, pwm_port, NPCM7XX_PWM_CMR_DEFAULT_NUM); + if (ret) + return ret; ret = of_property_count_u8_elems(child, "cooling-levels"); if (ret > 0) { |