Hi Tom, [auto build test WARNING on hwmon/hwmon-next] [also build test WARNING on v4.12 next-20170704] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Tom-Levens/hwmon-ltc2990-refactor-value-conversion/20170705-050920 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next config: x86_64-randconfig-x010-201727 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): drivers/hwmon/ltc2990.c: In function 'ltc2990_attrs_visible': >> drivers/hwmon/ltc2990.c:164:40: warning: suggest parentheses around arithmetic in operand of '|' [-Wparentheses] ltc2990_attrs_ena_0[data->mode[0]] & ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ ltc2990_attrs_ena_1[data->mode[1]]; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +164 drivers/hwmon/ltc2990.c 148 if (unlikely(ret < 0)) 149 return ret; 150 151 return snprintf(buf, PAGE_SIZE, "%d\n", value); 152 } 153 154 static umode_t ltc2990_attrs_visible(struct kobject *kobj, 155 struct attribute *a, int n) 156 { 157 struct device *dev = container_of(kobj, struct device, kobj); 158 struct ltc2990_data *data = dev_get_drvdata(dev); 159 struct device_attribute *da = 160 container_of(a, struct device_attribute, attr); 161 struct sensor_device_attribute *attr = to_sensor_dev_attr(da); 162 163 int attrs_mask = LTC2990_IN0 | LTC2990_TEMP1 | > 164 ltc2990_attrs_ena_0[data->mode[0]] & 165 ltc2990_attrs_ena_1[data->mode[1]]; 166 167 if (attr->index & attrs_mask) 168 return a->mode; 169 170 return 0; 171 } 172 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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