On Wed, Aug 09, 2023 at 11:11:29PM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing > head: f176638af476c6d46257cc3303f5c7cf47d5967d > commit: 1e4c574225cc5a0553115e5eb5787d1474db5b0f [36/37] USB: Remove remnants of Wireless USB and UWB > config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20230809/202308092350.HR4PVHUt-lkp@xxxxxxxxx/config) > compiler: loongarch64-linux-gcc (GCC) 12.3.0 > reproduce: (https://download.01.org/0day-ci/archive/20230809/202308092350.HR4PVHUt-lkp@xxxxxxxxx/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot <lkp@xxxxxxxxx> > | Closes: https://lore.kernel.org/oe-kbuild-all/202308092350.HR4PVHUt-lkp@xxxxxxxxx/ > > All warnings (new ones prefixed by >>): > > drivers/usb/core/usb.c: In function 'usb_alloc_dev': > >> drivers/usb/core/usb.c:648:18: warning: variable 'root_hub' set but not used [-Wunused-but-set-variable] > 648 | unsigned root_hub = 0; > | ^~~~~~~~ Odd. I'm quite sure that I built this with no problems. [Does some checking...] Aha! When I built it, I didn't use W=1. Greg, would you prefer a new version of this patch or a separate correction patch? Alan Stern
