Hi Kyeongdon, Thank you for the patch! Yet something to improve: [auto build test ERROR on linuxtv-media/master] [also build test ERROR on v5.14 next-20210902] [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] url: https://github.com/0day-ci/linux/commits/Kyeongdon-Kim/media-uvcvideo-use-dynamic-allocation-for-uvc_copy_op/20210902-172043 base: git://linuxtv.org/media_tree.git master config: openrisc-buildonly-randconfig-r003-20210902 (attached as .config) compiler: or1k-linux-gcc (GCC) 11.2.0 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/0day-ci/linux/commit/2a36e010c8f73cd5c36072caf7e63431a07f4aad git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Kyeongdon-Kim/media-uvcvideo-use-dynamic-allocation-for-uvc_copy_op/20210902-172043 git checkout 2a36e010c8f73cd5c36072caf7e63431a07f4aad # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=openrisc SHELL=/bin/bash drivers/media/usb/uvc/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from drivers/media/usb/uvc/uvc_video.c:25: drivers/media/usb/uvc/uvc_video.c: In function 'uvc_free_urb_cop': >> drivers/media/usb/uvc/uvc_video.c:1619:26: error: 'uvc_urb' undeclared (first use in this function) 1619 | for_each_uvc_urb(uvc_urb, stream) { | ^~~~~~~ drivers/media/usb/uvc/uvcvideo.h:654:15: note: in definition of macro 'for_each_uvc_urb' 654 | for ((uvc_urb) = &(uvc_streaming)->uvc_urb[0]; \ | ^~~~~~~ drivers/media/usb/uvc/uvc_video.c:1619:26: note: each undeclared identifier is reported only once for each function it appears in 1619 | for_each_uvc_urb(uvc_urb, stream) { | ^~~~~~~ drivers/media/usb/uvc/uvcvideo.h:654:15: note: in definition of macro 'for_each_uvc_urb' 654 | for ((uvc_urb) = &(uvc_streaming)->uvc_urb[0]; \ | ^~~~~~~ drivers/media/usb/uvc/uvc_video.c: In function 'uvc_alloc_urb_cop': drivers/media/usb/uvc/uvc_video.c:1631:26: error: 'uvc_urb' undeclared (first use in this function) 1631 | for_each_uvc_urb(uvc_urb, stream) { | ^~~~~~~ drivers/media/usb/uvc/uvcvideo.h:654:15: note: in definition of macro 'for_each_uvc_urb' 654 | for ((uvc_urb) = &(uvc_streaming)->uvc_urb[0]; \ | ^~~~~~~ vim +/uvc_urb +1619 drivers/media/usb/uvc/uvc_video.c 1616 1617 static void uvc_free_urb_cop(struct uvc_streaming *stream) 1618 { > 1619 for_each_uvc_urb(uvc_urb, stream) { 1620 if (uvc_urb->copy_operations) { 1621 kfree(uvc_urb->copy_operations); 1622 uvc_urb->copy_operations = NULL; 1623 } 1624 } 1625 } 1626 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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