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charset=us-ascii Content-Disposition: inline Hi Howard, FYI, the error/warning still remains. tree: https://android.googlesource.com/kernel/common android14-kiwi-6.1 head: dd79c421671d7417fa9ad8465ca823298cd5fa14 commit: 6496f6cfbbd3bf241c6f16c7621db32088a1f073 [0/40] ANDROID: usb: host: export symbols for xhci hooks usage config: i386-randconfig-052-20251212 (https://download.01.org/0day-ci/archive/20251212/202512121524.YD9TBeaH-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251212/202512121524.YD9TBeaH-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202512121524.YD9TBeaH-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/usb/host/xhci-mem.c:68:6: warning: no previous prototype for 'xhci_segment_free' [-Wmissing-prototypes] 68 | void xhci_segment_free(struct xhci_hcd *xhci, struct xhci_segment *seg) | ^~~~~~~~~~~~~~~~~ drivers/usb/host/xhci-mem.c:79:6: warning: no previous prototype for 'xhci_free_segments_for_ring' [-Wmissing-prototypes] 79 | void xhci_free_segments_for_ring(struct xhci_hcd *xhci, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/usb/host/xhci-mem.c:100:6: warning: no previous prototype for 'xhci_link_segments' [-Wmissing-prototypes] 100 | void xhci_link_segments(struct xhci_segment *prev, | ^~~~~~~~~~~~~~~~~~ drivers/usb/host/xhci-mem.c:2075:5: warning: no previous prototype for 'xhci_check_trb_in_td_math' [-Wmissing-prototypes] 2075 | int xhci_check_trb_in_td_math(struct xhci_hcd *xhci) | ^~~~~~~~~~~~~~~~~~~~~~~~~ vim +/xhci_segment_free +68 drivers/usb/host/xhci-mem.c 67 > 68 void xhci_segment_free(struct xhci_hcd *xhci, struct xhci_segment *seg) 69 { 70 if (seg->trbs) { 71 dma_pool_free(xhci->segment_pool, seg->trbs, seg->dma); 72 seg->trbs = NULL; 73 } 74 kfree(seg->bounce_buf); 75 kfree(seg); 76 } 77 EXPORT_SYMBOL_GPL(xhci_segment_free); 78 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki