Hi Tomohiro, [auto build test WARNING on input/next] [also build test WARNING on v4.11-rc8 next-20170428] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Tomohiro-Yoshidomi/Input-psxpad-spi-Add-PSX-Play-Station-1-2-pad-SPI-driver/20170429-014135 base: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 6.2.0 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=ia64 Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All warnings (new ones prefixed by >>): drivers/input//joystick/psxpad-spi.c: In function 'psxpad_spi_probe': >> drivers/input//joystick/psxpad-spi.c:496:5: warning: 'pdev' may be used uninitialized in this function [-Wmaybe-uninitialized] if (pdev) { ^ vim +/pdev +496 drivers/input//joystick/psxpad-spi.c 480 /* pad settings */ 481 psxpad_setmotorlevel(pad, 0, 0); 482 483 /* register input pool device */ 484 err = input_register_polled_device(pdev); 485 if (err) { 486 dev_err(&spi->dev, "psxpad-spi: probe: failed register!!\n"); 487 input_free_polled_device(pdev); 488 goto err_free_mem; 489 } 490 491 pm_runtime_enable(&spi->dev); 492 493 return 0; 494 495 err_free_mem: > 496 if (pdev) { 497 psxpad_spi_deinit_ff(pad); 498 input_free_polled_device(pdev); 499 } 500 devm_kfree(&spi->dev, pad); 501 502 return err; 503 } 504 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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