[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <202212020239.CufwkKiR-lkp@intel.com>
Date: Fri, 2 Dec 2022 02:42:26 +0800
From: kernel test robot <lkp@...el.com>
To: Di Shen <di.shen@...soc.com>, rafael@...nel.org,
daniel.lezcano@...aro.org, amitk@...nel.org, rui.zhang@...el.com
Cc: oe-kbuild-all@...ts.linux.dev, linux-pm@...r.kernel.org,
linux-kernel@...r.kernel.org, xuewen.yan@...soc.com
Subject: Re: [PATCH] thermal/of: Allow users to set governor for a thermal
zone in DT
Hi Di,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on rafael-pm/thermal]
[also build test WARNING on linus/master v6.1-rc7 next-20221201]
[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/Di-Shen/thermal-of-Allow-users-to-set-governor-for-a-thermal-zone-in-DT/20221201-165820
base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git thermal
patch link: https://lore.kernel.org/r/20221201085423.10360-1-di.shen%40unisoc.com
patch subject: [PATCH] thermal/of: Allow users to set governor for a thermal zone in DT
config: ia64-allyesconfig
compiler: ia64-linux-gcc (GCC) 12.1.0
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
# https://github.com/intel-lab-lkp/linux/commit/6ac4585641eca02d031f54111ca54507d5a3dc56
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Di-Shen/thermal-of-Allow-users-to-set-governor-for-a-thermal-zone-in-DT/20221201-165820
git checkout 6ac4585641eca02d031f54111ca54507d5a3dc56
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
In function 'thermal_of_parameters_init',
inlined from 'thermal_of_zone_register' at drivers/thermal/thermal_of.c:626:8:
>> drivers/thermal/thermal_of.c:370:17: warning: 'strncpy' specified bound 20 equals destination size [-Wstringop-truncation]
370 | strncpy(tzp->governor_name, governor_name, THERMAL_NAME_LENGTH);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/strncpy +370 drivers/thermal/thermal_of.c
351
352 static struct thermal_zone_params *thermal_of_parameters_init(struct device_node *np)
353 {
354 struct thermal_zone_params *tzp;
355 int coef[2];
356 int ncoef = ARRAY_SIZE(coef);
357 int prop, ret;
358 const char *governor_name;
359
360 tzp = kzalloc(sizeof(*tzp), GFP_KERNEL);
361 if (!tzp)
362 return ERR_PTR(-ENOMEM);
363
364 tzp->no_hwmon = true;
365
366 if (!of_property_read_u32(np, "sustainable-power", &prop))
367 tzp->sustainable_power = prop;
368
369 if (!of_property_read_string(np, "policy", &governor_name))
> 370 strncpy(tzp->governor_name, governor_name, THERMAL_NAME_LENGTH);
371
372 /*
373 * For now, the thermal framework supports only one sensor per
374 * thermal zone. Thus, we are considering only the first two
375 * values as slope and offset.
376 */
377 ret = of_property_read_u32_array(np, "coefficients", coef, ncoef);
378 if (ret) {
379 coef[0] = 1;
380 coef[1] = 0;
381 }
382
383 tzp->slope = coef[0];
384 tzp->offset = coef[1];
385
386 return tzp;
387 }
388
--
0-DAY CI Kernel Test Service
https://01.org/lkp
View attachment "config" of type "text/plain" (321658 bytes)
Powered by blists - more mailing lists