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Message-ID: <202211231439.JvHydxrP-lkp@intel.com>
Date: Wed, 23 Nov 2022 14:20:39 +0800
From: kernel test robot <lkp@...el.com>
To: Peng Zhang <zhangpeng362@...wei.com>, pavel@....cz,
andersson@...nel.org, swboyd@...omium.org,
quic_c_skakit@...cinc.com, marijn.suijten@...ainline.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org,
ZhangPeng <zhangpeng362@...wei.com>
Subject: Re: [PATCH] leds: call of_node_put() when breaking out of
for_each_available_child_of_node()
Hi Peng,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v6.1-rc6 next-20221122]
[cannot apply to pavel-leds/for-next]
[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/Peng-Zhang/leds-call-of_node_put-when-breaking-out-of-for_each_available_child_of_node/20221122-142530
patch link: https://lore.kernel.org/r/20221122065002.2327772-1-zhangpeng362%40huawei.com
patch subject: [PATCH] leds: call of_node_put() when breaking out of for_each_available_child_of_node()
config: riscv-randconfig-r014-20221120
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project af8c49dc1ec44339d915d988ffe0f38da68ca0e7)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://github.com/intel-lab-lkp/linux/commit/013aed0a135439317bd90a015567b9c955e50445
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Peng-Zhang/leds-call-of_node_put-when-breaking-out-of-for_each_available_child_of_node/20221122-142530
git checkout 013aed0a135439317bd90a015567b9c955e50445
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/leds/rgb/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
>> drivers/leds/rgb/leds-qcom-lpg.c:1097:16: error: expected ';' after expression
ret = -ENOMEM
^
;
drivers/leds/rgb/leds-qcom-lpg.c:1107:17: error: expected ';' after expression
ret = -ENOMEM
^
;
2 errors generated.
vim +1097 drivers/leds/rgb/leds-qcom-lpg.c
1070
1071 static int lpg_add_led(struct lpg *lpg, struct device_node *np)
1072 {
1073 struct led_init_data init_data = {};
1074 struct led_classdev *cdev;
1075 struct device_node *child;
1076 struct mc_subled *info;
1077 struct lpg_led *led;
1078 const char *state;
1079 int num_channels;
1080 u32 color = 0;
1081 int ret;
1082 int i;
1083
1084 ret = of_property_read_u32(np, "color", &color);
1085 if (ret < 0 && ret != -EINVAL) {
1086 dev_err(lpg->dev, "failed to parse \"color\" of %pOF\n", np);
1087 goto err_put_np_node;
1088 }
1089
1090 if (color == LED_COLOR_ID_RGB)
1091 num_channels = of_get_available_child_count(np);
1092 else
1093 num_channels = 1;
1094
1095 led = devm_kzalloc(lpg->dev, struct_size(led, channels, num_channels), GFP_KERNEL);
1096 if (!led) {
> 1097 ret = -ENOMEM
1098 goto err_put_np_node;
1099 }
1100
1101 led->lpg = lpg;
1102 led->num_channels = num_channels;
1103
1104 if (color == LED_COLOR_ID_RGB) {
1105 info = devm_kcalloc(lpg->dev, num_channels, sizeof(*info), GFP_KERNEL);
1106 if (!info) {
1107 ret = -ENOMEM
1108 goto err_put_np_node;
1109 }
1110 i = 0;
1111 for_each_available_child_of_node(np, child) {
1112 ret = lpg_parse_channel(lpg, child, &led->channels[i]);
1113 if (ret < 0)
1114 goto err_put_child_node;
1115
1116 info[i].color_index = led->channels[i]->color;
1117 info[i].intensity = 0;
1118 i++;
1119 }
1120
1121 led->mcdev.subled_info = info;
1122 led->mcdev.num_colors = num_channels;
1123
1124 cdev = &led->mcdev.led_cdev;
1125 cdev->brightness_set = lpg_brightness_mc_set;
1126 cdev->blink_set = lpg_blink_mc_set;
1127
1128 /* Register pattern accessors only if we have a LUT block */
1129 if (lpg->lut_base) {
1130 cdev->pattern_set = lpg_pattern_mc_set;
1131 cdev->pattern_clear = lpg_pattern_mc_clear;
1132 }
1133 } else {
1134 ret = lpg_parse_channel(lpg, np, &led->channels[0]);
1135 if (ret < 0)
1136 goto err_put_np_node;
1137
1138 cdev = &led->cdev;
1139 cdev->brightness_set = lpg_brightness_single_set;
1140 cdev->blink_set = lpg_blink_single_set;
1141
1142 /* Register pattern accessors only if we have a LUT block */
1143 if (lpg->lut_base) {
1144 cdev->pattern_set = lpg_pattern_single_set;
1145 cdev->pattern_clear = lpg_pattern_single_clear;
1146 }
1147 }
1148
1149 cdev->default_trigger = of_get_property(np, "linux,default-trigger", NULL);
1150 cdev->max_brightness = LPG_RESOLUTION - 1;
1151
1152 if (!of_property_read_string(np, "default-state", &state) &&
1153 !strcmp(state, "on"))
1154 cdev->brightness = cdev->max_brightness;
1155 else
1156 cdev->brightness = LED_OFF;
1157
1158 cdev->brightness_set(cdev, cdev->brightness);
1159
1160 init_data.fwnode = of_fwnode_handle(np);
1161
1162 if (color == LED_COLOR_ID_RGB)
1163 ret = devm_led_classdev_multicolor_register_ext(lpg->dev, &led->mcdev, &init_data);
1164 else
1165 ret = devm_led_classdev_register_ext(lpg->dev, &led->cdev, &init_data);
1166 if (ret)
1167 dev_err(lpg->dev, "unable to register %s\n", cdev->name);
1168 else
1169 return ret;
1170
1171 err_put_np_node:
1172 of_node_put(np);
1173 return ret;
1174
1175 err_put_child_node:
1176 of_node_put(child);
1177 return ret;
1178 }
1179
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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