Hi Rob, Thank you for the patch! Yet something to improve: [auto build test ERROR on usb/usb-testing] [also build test ERROR on balbi-usb/testing/next peter.chen-usb/ci-for-usb-next v5.7 next-20200529] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Rob-Gill/USB-core-additional-Dev... base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce (this is a W=1 build): # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): 140 | {USB_CLASS_WIRELESS_CONTROLLER, "wlcon"}, | ^ drivers/usb/core/devices.c:121:46: note: to match this '{' 121 | static const struct class_info clas_info[] = { | ^ vim +140 drivers/usb/core/devices.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 120 44526f91b887a7 Carlos Sánchez Acosta 2010-04-14 121 static const struct class_info clas_info[] = { 44526f91b887a7 Carlos Sánchez Acosta 2010-04-14 122 /* max. 5 chars. per name string */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 123 {USB_CLASS_PER_INTERFACE, ">ifc"}, ^1da177e4c3f41 Linus Torvalds 2005-04-16 124 {USB_CLASS_AUDIO, "audio"}, ^1da177e4c3f41 Linus Torvalds 2005-04-16 125 {USB_CLASS_COMM, "comm."}, ^1da177e4c3f41 Linus Torvalds 2005-04-16 126 {USB_CLASS_HID, "HID"}, ^1da177e4c3f41 Linus Torvalds 2005-04-16 127 {USB_CLASS_PHYSICAL, "PID"}, bf7fbb022f0a3d Frans Pop 2009-06-26 128 {USB_CLASS_STILL_IMAGE, "still"}, ^1da177e4c3f41 Linus Torvalds 2005-04-16 129 {USB_CLASS_PRINTER, "print"}, ^1da177e4c3f41 Linus Torvalds 2005-04-16 130 {USB_CLASS_MASS_STORAGE, "stor."}, bf7fbb022f0a3d Frans Pop 2009-06-26 131 {USB_CLASS_HUB, "hub"}, ^1da177e4c3f41 Linus Torvalds 2005-04-16 132 {USB_CLASS_CDC_DATA, "data"}, ^1da177e4c3f41 Linus Torvalds 2005-04-16 133 {USB_CLASS_CSCID, "scard"}, ^1da177e4c3f41 Linus Torvalds 2005-04-16 134 {USB_CLASS_CONTENT_SEC, "c-sec"}, 165fe97ed6107d Craig W. Nadler 2007-06-15 135 {USB_CLASS_VIDEO, "video"}, 073bfb12268740 Rob Gill 2020-06-01 136 {USB_CLASS_PERSONAL_HEALTHCARE, "perhc"}, 073bfb12268740 Rob Gill 2020-06-01 137 {USB_CLASS_AUDIO_VIDEO, "av"}, 073bfb12268740 Rob Gill 2020-06-01 138 {USB_CLASS_BILLBOARD, "blbrd"}, 073bfb12268740 Rob Gill 2020-06-01 139 {USB_CLASS_USB_TYPE_C_BRIDGE, "bridg"} bf7fbb022f0a3d Frans Pop 2009-06-26 @140 {USB_CLASS_WIRELESS_CONTROLLER, "wlcon"}, bf7fbb022f0a3d Frans Pop 2009-06-26 141 {USB_CLASS_MISC, "misc"}, bf7fbb022f0a3d Frans Pop 2009-06-26 142 {USB_CLASS_APP_SPEC, "app."}, bf7fbb022f0a3d Frans Pop 2009-06-26 143 {USB_CLASS_VENDOR_SPEC, "vend."}, ^1da177e4c3f41 Linus Torvalds 2005-04-16 144 {-1, "unk."} /* leave as last */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 145 }; ^1da177e4c3f41 Linus Torvalds 2005-04-16 146 :::::: The code at line 140 was first introduced by commit :::::: bf7fbb022f0a3da27a2bcf8d7c973c813d942384 USB: add missing class descriptions used in usb/devices file :::::: TO: Frans Pop <elendil(a)planet.nl&gt; :::::: CC: Greg Kroah-Hartman <gregkh(a)suse.de&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org