lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <202308270516.Ch4MucBs-lkp@intel.com>
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

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ