Hi Andy, [auto build test WARNING on char-misc/char-misc-testing] [also build test WARNING on v4.12-rc4 next-20170609] [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/Andy-Shevchenko/misc-apds990x-Use-sysfs_match_string-helper/20170610-131929 config: m68k-allyesconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 4.9.0 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=m68k All warnings (new ones prefixed by >>): In file included from include/linux/bitmap.h:8:0, from include/linux/nodemask.h:94, from include/linux/mmzone.h:16, from include/linux/gfp.h:5, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers//misc/apds990x.c:26: drivers//misc/apds990x.c: In function 'apds990x_prox_reporting_mode_store': >> include/linux/string.h:155:36: warning: passing argument 1 of >> '__sysfs_match_string' from incompatible pointer type #define sysfs_match_string(_a, _s) __sysfs_match_string(_a, ARRAY_SIZE(_a), _s) ^ >> drivers//misc/apds990x.c:861:8: note: in expansion of macro >> 'sysfs_match_string' ret = sysfs_match_string(reporting_modes, buf); ^ include/linux/string.h:146:5: note: expected 'const char * const*' but argument is of type 'const char (*)[9]' int __sysfs_match_string(const char * const *array, size_t n, const char *s); ^ -- In file included from include/linux/bitmap.h:8:0, from include/linux/nodemask.h:94, from include/linux/mmzone.h:16, from include/linux/gfp.h:5, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/misc/apds990x.c:26: drivers/misc/apds990x.c: In function 'apds990x_prox_reporting_mode_store': >> include/linux/string.h:155:36: warning: passing argument 1 of >> '__sysfs_match_string' from incompatible pointer type #define sysfs_match_string(_a, _s) __sysfs_match_string(_a, ARRAY_SIZE(_a), _s) ^ drivers/misc/apds990x.c:861:8: note: in expansion of macro 'sysfs_match_string' ret = sysfs_match_string(reporting_modes, buf); ^ include/linux/string.h:146:5: note: expected 'const char * const*' but argument is of type 'const char (*)[9]' int __sysfs_match_string(const char * const *array, size_t n, const char *s); ^ vim +/sysfs_match_string +861 drivers//misc/apds990x.c 845 846 static ssize_t apds990x_prox_reporting_mode_show(struct device *dev, 847 struct device_attribute *attr, char *buf) 848 { 849 struct apds990x_chip *chip = dev_get_drvdata(dev); 850 return sprintf(buf, "%s\n", 851 reporting_modes[!!chip->prox_continuous_mode]); 852 } 853 854 static ssize_t apds990x_prox_reporting_mode_store(struct device *dev, 855 struct device_attribute *attr, 856 const char *buf, size_t len) 857 { 858 struct apds990x_chip *chip = dev_get_drvdata(dev); 859 int ret; 860 > 861 ret = sysfs_match_string(reporting_modes, buf); 862 if (ret < 0) 863 return ret; 864 865 chip->prox_continuous_mode = ret; 866 return len; 867 } 868 869 static DEVICE_ATTR(prox0_reporting_mode, S_IRUGO | S_IWUSR, --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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