tree: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next head: b14a1f7369f2acadb78678402f03feb33d032e6d commit: 8d719d6f3e97a0221e06670e2d0b89b327468bad [2/11] hwmon: (pmbus/core) mutex_lock write in pmbus_set_samples config: xtensa-allyesconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 8d719d6f3e97a0221e06670e2d0b89b327468bad # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=xtensa
If you fix the issue, kindly add following tag Reported-by: kbuild test robot <[email protected]> All errors (new ones prefixed by >>): In file included from include/linux/notifier.h:14:0, from include/linux/memory_hotplug.h:7, from include/linux/mmzone.h:802, from include/linux/gfp.h:6, from include/linux/xarray.h:14, from include/linux/radix-tree.h:31, from include/linux/fs.h:15, from include/linux/debugfs.h:15, from drivers/hwmon/pmbus/pmbus_core.c:9: drivers/hwmon/pmbus/pmbus_core.c: In function 'pmbus_set_samples': >> drivers/hwmon/pmbus/pmbus_core.c:1949:14: error: 'data' undeclared (first >> use in this function); did you mean '_data'? mutex_lock(&data->update_lock); ^ include/linux/mutex.h:166:44: note: in definition of macro 'mutex_lock' #define mutex_lock(lock) mutex_lock_nested(lock, 0) ^~~~ drivers/hwmon/pmbus/pmbus_core.c:1949:14: note: each undeclared identifier is reported only once for each function it appears in mutex_lock(&data->update_lock); ^ include/linux/mutex.h:166:44: note: in definition of macro 'mutex_lock' #define mutex_lock(lock) mutex_lock_nested(lock, 0) ^~~~ vim +1949 drivers/hwmon/pmbus/pmbus_core.c 1936 1937 static ssize_t pmbus_set_samples(struct device *dev, 1938 struct device_attribute *devattr, 1939 const char *buf, size_t count) 1940 { 1941 int ret; 1942 long val; 1943 struct i2c_client *client = to_i2c_client(dev->parent); 1944 struct pmbus_samples_reg *reg = to_samples_reg(devattr); 1945 1946 if (kstrtol(buf, 0, &val) < 0) 1947 return -EINVAL; 1948 > 1949 mutex_lock(&data->update_lock); 1950 ret = _pmbus_write_word_data(client, reg->page, reg->attr->reg, val); 1951 mutex_unlock(&data->update_lock); 1952 1953 return ret ? : count; 1954 } 1955 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
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