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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Dong Aisheng , Fabio Estevam , Shawn Guo , Jacky Bai , Pengutronix Kernel Team , NXP S32 Linux Team , Sascha Hauer , Tony Lindgren , Haojian Zhuang , Geert Uytterhoeven Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Linux Memory Management List Subject: Re: [PATCH v3 10/15] pinctrl: make struct pinfunction a pointer in struct function_desc Message-ID: <202507261937.Txq9shpv-lkp@intel.com> References: <20250724-pinctrl-gpio-pinfuncs-v3-10-af4db9302de4@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250724-pinctrl-gpio-pinfuncs-v3-10-af4db9302de4@linaro.org> X-Rspamd-Queue-Id: C104780012 X-Stat-Signature: 77jn7aopias84yxxwuo4fr11hc5mbi9j X-Rspam-User: X-Rspamd-Server: rspam07 X-HE-Tag: 1753529502-347478 X-HE-Meta: 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 bPCrLFUR 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Bartosz, kernel test robot noticed the following build warnings: [auto build test WARNING on 05adbee3ad528100ab0285c15c91100e19e10138] url: https://github.com/intel-lab-lkp/linux/commits/Bartosz-Golaszewski/lib-provide-kmemdup_const/20250724-172620 base: 05adbee3ad528100ab0285c15c91100e19e10138 patch link: https://lore.kernel.org/r/20250724-pinctrl-gpio-pinfuncs-v3-10-af4db9302de4%40linaro.org patch subject: [PATCH v3 10/15] pinctrl: make struct pinfunction a pointer in struct function_desc config: x86_64-buildonly-randconfig-002-20250725 (https://download.01.org/0day-ci/archive/20250726/202507261937.Txq9shpv-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250726/202507261937.Txq9shpv-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202507261937.Txq9shpv-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/pinctrl/pinmux.c:917:7: warning: cast from 'void (*)(const void *)' to 'void (*)(void *)' converts to incompatible function type [-Wcast-function-type-strict] 917 | (void (*)(void *))kfree_const, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/device/devres.h:166:34: note: expanded from macro 'devm_add_action_or_reset' 166 | __devm_add_action_or_reset(dev, action, data, #action) | ^~~~~~ 1 warning generated. vim +917 drivers/pinctrl/pinmux.c 883 884 /** 885 * pinmux_generic_add_pinfunction() - adds a function group 886 * @pctldev: pin controller device 887 * @func: pinfunction structure describing the function group 888 * @data: pin controller driver specific data 889 */ 890 int pinmux_generic_add_pinfunction(struct pinctrl_dev *pctldev, 891 const struct pinfunction *func, void *data) 892 { 893 struct function_desc *function; 894 int selector, error; 895 896 selector = pinmux_func_name_to_selector(pctldev, func->name); 897 if (selector >= 0) 898 return selector; 899 900 selector = pctldev->num_functions; 901 902 function = devm_kzalloc(pctldev->dev, sizeof(*function), GFP_KERNEL); 903 if (!function) 904 return -ENOMEM; 905 906 function->func = kmemdup_const(func, sizeof(*func), GFP_KERNEL); 907 if (!function->func) 908 return -ENOMEM; 909 910 /* 911 * FIXME: It's generally a bad idea to use devres in subsystem core 912 * code - managed interfaces are aimed at drivers - but pinctrl already 913 * uses it all over the place so it's a larger piece of technical debt 914 * to fix. 915 */ 916 error = devm_add_action_or_reset(pctldev->dev, > 917 (void (*)(void *))kfree_const, 918 (void *)function->func); 919 if (error) 920 return error; 921 922 function->data = data; 923 924 error = radix_tree_insert(&pctldev->pin_function_tree, selector, function); 925 if (error) 926 return error; 927 928 pctldev->num_functions++; 929 930 return selector; 931 } 932 EXPORT_SYMBOL_GPL(pinmux_generic_add_pinfunction); 933 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki