Hi Kishore, kernel test robot noticed the following build warnings:
[auto build test WARNING on a0ae2a256046c0c5d3778d1a194ff2e171f16e5f] url: https://github.com/intel-lab-lkp/linux/commits/Kishore-Batta/Add-documentation-for-Sahara-protocol/20260307-194417 base: a0ae2a256046c0c5d3778d1a194ff2e171f16e5f patch link: https://lore.kernel.org/r/20260307-sahara_protocol_new_v2-v2-4-29dc748b5e9c%40oss.qualcomm.com patch subject: [PATCH v2 4/9] bus: mhi: Centralize firmware image table selection at probe time config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20260308/[email protected]/config) compiler: arc-linux-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260308/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All warnings (new ones prefixed by >>): drivers/bus/mhi/sahara/sahara.c: In function 'sahara_select_variant': >> drivers/bus/mhi/sahara/sahara.c:270:32: warning: the comparison will always >> evaluate as 'true' for the address of 'chan' will never be NULL [-Waddress] 270 | if (id && id->chan && !strcmp(id->chan, v->match)) | ^~ In file included from drivers/bus/mhi/sahara/sahara.c:12: include/linux/mod_devicetable.h:867:20: note: 'chan' declared here 867 | const char chan[MHI_NAME_SIZE]; | ^~~~ vim +270 drivers/bus/mhi/sahara/sahara.c 260 261 static const struct sahara_variant *sahara_select_variant(struct mhi_device *mhi_dev, 262 const struct mhi_device_id *id) 263 { 264 int i; 265 266 for (i = 0; i < ARRAY_SIZE(sahara_variants); i++) { 267 const struct sahara_variant *v = &sahara_variants[i]; 268 269 if (v->match_is_chan) { > 270 if (id && id->chan && !strcmp(id->chan, > v->match)) 271 return v; 272 } else { 273 if (mhi_dev->mhi_cntrl && mhi_dev->mhi_cntrl->name && 274 !strcmp(mhi_dev->mhi_cntrl->name, v->match)) 275 return v; 276 } 277 } 278 return NULL; 279 } 280 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
