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Date: Sun, 27 Aug 2023 05:43:35 +0800
From: kernel test robot <lkp@...el.com>
To: Christophe JAILLET <christophe.jaillet@...adoo.fr>,
rrameshbabu@...dia.com, jikos@...nel.org,
benjamin.tissoires@...hat.com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
kernel-janitors@...r.kernel.org,
Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: Re: [PATCH 3/3] HID: nvidia-shield: Introduce thunderstrike_destroy()
Hi Christophe,
kernel test robot noticed the following build warnings:
[auto build test WARNING on linux-next/master]
[cannot apply to linus/master v6.5-rc7]
[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/Christophe-JAILLET/HID-nvidia-shield-Fix-a-missing-led_classdev_unregister-in-the-probe-error-handling-path/20230827-014602
base: linux-next/master
patch link: https://lore.kernel.org/r/4c9a8c7f6b4eb879dd7ef4d44bb6a80b3f126d25.1693070958.git.christophe.jaillet%40wanadoo.fr
patch subject: [PATCH 3/3] HID: nvidia-shield: Introduce thunderstrike_destroy()
config: i386-buildonly-randconfig-003-20230827 (https://download.01.org/0day-ci/archive/20230827/202308270516.Ch4MucBs-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce: (https://download.01.org/0day-ci/archive/20230827/202308270516.Ch4MucBs-lkp@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308270516.Ch4MucBs-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/hid/hid-nvidia-shield.c:1046:24: warning: variable 'ts' set but not used [-Wunused-but-set-variable]
struct thunderstrike *ts;
^
1 warning generated.
vim +/ts +1046 drivers/hid/hid-nvidia-shield.c
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1042
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1043 static int shield_probe(struct hid_device *hdev, const struct hid_device_id *id)
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1044 {
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1045 struct shield_device *shield_dev = NULL;
09308562d4afb1 Rahul Rameshbabu 2023-06-08 @1046 struct thunderstrike *ts;
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1047 int ret;
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1048
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1049 ret = hid_parse(hdev);
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1050 if (ret) {
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1051 hid_err(hdev, "Parse failed\n");
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1052 return ret;
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1053 }
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1054
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1055 switch (id->product) {
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1056 case USB_DEVICE_ID_NVIDIA_THUNDERSTRIKE_CONTROLLER:
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1057 shield_dev = thunderstrike_create(hdev);
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1058 break;
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1059 }
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1060
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1061 if (unlikely(!shield_dev)) {
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1062 hid_err(hdev, "Failed to identify SHIELD device\n");
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1063 return -ENODEV;
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1064 }
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1065 if (IS_ERR(shield_dev)) {
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1066 hid_err(hdev, "Failed to create SHIELD device\n");
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1067 return PTR_ERR(shield_dev);
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1068 }
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1069
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1070 ts = container_of(shield_dev, struct thunderstrike, base);
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1071
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1072 ret = hid_hw_start(hdev, HID_CONNECT_HIDINPUT);
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1073 if (ret) {
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1074 hid_err(hdev, "Failed to start HID device\n");
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1075 goto err_haptics;
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1076 }
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1077
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1078 ret = hid_hw_open(hdev);
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1079 if (ret) {
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1080 hid_err(hdev, "Failed to open HID device\n");
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1081 goto err_stop;
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1082 }
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1083
3ab196f882377e Rahul Rameshbabu 2023-08-07 1084 thunderstrike_device_init_info(shield_dev);
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1085
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1086 return ret;
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1087
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1088 err_stop:
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1089 hid_hw_stop(hdev);
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1090 err_haptics:
2cc4637842495c Christophe JAILLET 2023-08-26 1091 thunderstrike_destroy(hdev);
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1092 return ret;
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1093 }
09308562d4afb1 Rahul Rameshbabu 2023-06-08 1094
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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