tree: https://github.com/tobetter/linux odroid-5.10.y-panfrost head: 58cff0e5c8f2a36255e7754fe305bbac25bf6b4f commit: ffea56b701eb2e83e72c19157f94d91d3ac4419d [81/88] hwmon: (pwm-fan) add fan pwm1_enable attribute :::::: branch date: 10 hours ago :::::: commit date: 10 hours ago compiler: powerpc-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <rong.a.chen(a)intel.com&gt; vim +171 drivers/hwmon/pwm-fan.c ffea56b701eb2e8 Dongjin Kim 2020-11-25 165 ffea56b701eb2e8 Dongjin Kim 2020-11-25 166 static ssize_t enable_show(struct device *dev, struct device_attribute *attr, ffea56b701eb2e8 Dongjin Kim 2020-11-25 167 char *buf) ffea56b701eb2e8 Dongjin Kim 2020-11-25 168 { ffea56b701eb2e8 Dongjin Kim 2020-11-25 169 struct pwm_fan_ctx *ctx = dev_get_drvdata(dev); ffea56b701eb2e8 Dongjin Kim 2020-11-25 170 ffea56b701eb2e8 Dongjin Kim 2020-11-25 @171 return sprintf(buf, "%u\n", ctx->enable); ffea56b701eb2e8 Dongjin Kim 2020-11-25 172 } ffea56b701eb2e8 Dongjin Kim 2020-11-25 173 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org