tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git staging-testing head: 501b9cb070bc35073f4195b58e74098a9d31375c commit: 501b9cb070bc35073f4195b58e74098a9d31375c [217/217] staging: nvec: add error checking to nvec_event config: arm-multi_v7_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 501b9cb070bc35073f4195b58e74098a9d31375c # save the attached .config to linux build tree make.cross ARCH=arm All warnings (new ones prefixed by >>): drivers/staging/nvec/nvec_power.c: In function 'nvec_power_poll': >> drivers/staging/nvec/nvec_power.c:361:10: warning: 'return' with a value, in function returning void return err; ^~~ drivers/staging/nvec/nvec_power.c:348:13: note: declared here static void nvec_power_poll(struct work_struct *work) ^~~~~~~~~~~~~~~ vim +/return +361 drivers/staging/nvec/nvec_power.c 347 348 static void nvec_power_poll(struct work_struct *work) 349 { 350 int err; 351 char buf[] = { NVEC_SYS, GET_SYSTEM_STATUS }; 352 struct nvec_power *power = container_of(work, struct nvec_power, 353 poller.work); 354 355 if (counter >= ARRAY_SIZE(bat_iter)) 356 counter = 0; 357 358 /* AC status via sys req */ 359 err = nvec_write_async(power->nvec, buf, 2); 360 if (err != 0) > 361 return err; 362 363 msleep(100); 364 365 /* 366 * Select a battery request function via round robin doing it all at 367 * once seems to overload the power supply. 368 */ 369 buf[0] = NVEC_BAT; 370 buf[1] = bat_iter[counter++]; 371 nvec_write_async(power->nvec, buf, 2); 372 373 schedule_delayed_work(to_delayed_work(work), msecs_to_jiffies(5000)); 374 }; 375 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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