Hi Michal, kernel test robot noticed the following build errors: [auto build test ERROR on lee-leds/for-leds-next] [also build test ERROR on linus/master v6.12-rc2 next-20241009] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Michal-Vok/leds-lp55xx-Fix-check-for-invalid-channel-number/20241009-171340 base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/leds.git for-leds-next patch link: https://lore.kernel.org/r/1728464547-31722-1-git-send-email-michal.vokac%40ysoft.com patch subject: [PATCH] leds: lp55xx: Fix check for invalid channel number config: xtensa-randconfig-r071-20241010 (https://download.01.org/0day-ci/archive/20241010/202410101313.hQc9I8AL-lkp@xxxxxxxxx/config) compiler: xtensa-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241010/202410101313.hQc9I8AL-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202410101313.hQc9I8AL-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from include/linux/device.h:15, from include/linux/acpi.h:14, from include/linux/i2c.h:13, from drivers/leds/leds-lp55xx-common.c:17: drivers/leds/leds-lp55xx-common.c: In function 'lp55xx_parse_common_child': >> drivers/leds/leds-lp55xx-common.c:1130:25: error: 'dev' undeclared (first use in this function); did you mean 'cdev'? 1130 | dev_err(dev, "Use channel numbers between 0 and %d\n", | ^~~ include/linux/dev_printk.h:110:25: note: in definition of macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ^~~ drivers/leds/leds-lp55xx-common.c:1130:17: note: in expansion of macro 'dev_err' 1130 | dev_err(dev, "Use channel numbers between 0 and %d\n", | ^~~~~~~ drivers/leds/leds-lp55xx-common.c:1130:25: note: each undeclared identifier is reported only once for each function it appears in 1130 | dev_err(dev, "Use channel numbers between 0 and %d\n", | ^~~ include/linux/dev_printk.h:110:25: note: in definition of macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ^~~ drivers/leds/leds-lp55xx-common.c:1130:17: note: in expansion of macro 'dev_err' 1130 | dev_err(dev, "Use channel numbers between 0 and %d\n", | ^~~~~~~ vim +1130 drivers/leds/leds-lp55xx-common.c 1111 1112 static int lp55xx_parse_common_child(struct device_node *np, 1113 struct lp55xx_led_config *cfg, 1114 int led_number, int *chan_nr) 1115 { 1116 int ret; 1117 1118 of_property_read_string(np, "chan-name", 1119 &cfg[led_number].name); 1120 of_property_read_u8(np, "led-cur", 1121 &cfg[led_number].led_current); 1122 of_property_read_u8(np, "max-cur", 1123 &cfg[led_number].max_current); 1124 1125 ret = of_property_read_u32(np, "reg", chan_nr); 1126 if (ret) 1127 return ret; 1128 1129 if (*chan_nr < 0 || *chan_nr >= cfg->max_channel) { > 1130 dev_err(dev, "Use channel numbers between 0 and %d\n", 1131 cfg->max_channel - 1); 1132 return -EINVAL; 1133 } 1134 1135 return 0; 1136 } 1137 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki