Hi Arnd, [auto build test ERROR on linuxtv-media/master] [also build test ERROR on v4.5-rc1 next-20160125] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Arnd-Bergmann/pwc-hide-unused-label/20160126-221727 base: git://linuxtv.org/media_tree.git master config: xtensa-allyesconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=xtensa All errors (new ones prefixed by >>): drivers/media/usb/pwc/pwc-if.c: In function 'usb_pwc_probe': >> drivers/media/usb/pwc/pwc-if.c:1092:3: error: label 'err_video_unreg' used but not defined goto err_video_unreg; ^ vim +/err_video_unreg +1092 drivers/media/usb/pwc/pwc-if.c 479567ce3 drivers/media/video/pwc/pwc-if.c Hans Verkuil 2010-09-12 1086 e32a7eccd drivers/media/video/pwc/pwc-if.c Nam Phạm Thành 2009-01-12 1087 #ifdef CONFIG_USB_PWC_INPUT_EVDEV e32a7eccd drivers/media/video/pwc/pwc-if.c Nam Phạm Thành 2009-01-12 1088 /* register webcam snapshot button input device */ e32a7eccd drivers/media/video/pwc/pwc-if.c Nam Phạm Thành 2009-01-12 1089 pdev->button_dev = input_allocate_device(); e32a7eccd drivers/media/video/pwc/pwc-if.c Nam Phạm Thành 2009-01-12 1090 if (!pdev->button_dev) { 89dec01b7 drivers/media/video/pwc/pwc-if.c Dmitry Torokhov 2009-08-14 1091 rc = -ENOMEM; 89dec01b7 drivers/media/video/pwc/pwc-if.c Dmitry Torokhov 2009-08-14 @1092 goto err_video_unreg; e32a7eccd drivers/media/video/pwc/pwc-if.c Nam Phạm Thành 2009-01-12 1093 } e32a7eccd drivers/media/video/pwc/pwc-if.c Nam Phạm Thành 2009-01-12 1094 89dec01b7 drivers/media/video/pwc/pwc-if.c Dmitry Torokhov 2009-08-14 1095 usb_make_path(udev, pdev->button_phys, sizeof(pdev->button_phys)); :::::: The code at line 1092 was first introduced by commit :::::: 89dec01b7e251697720ac3d6a5310d72359eba69 V4L/DVB (12489): pwc - fix few use-after-free and memory leaks :::::: TO: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> :::::: CC: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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