In file included from drivers/net/wireless/rtl8811cu/include/osdep_service_linux.h:83,
                 from drivers/net/wireless/rtl8811cu/include/osdep_service.h:50,
                 from drivers/net/wireless/rtl8811cu/include/drv_types.h:27,
                 from drivers/net/wireless/rtl8811cu/core/rtw_mp.c:16:
./include/linux/ieee80211.h:1600: note: this is the location of the previous definition
 1600 | #define IEEE80211_MAX_AMPDU_BUF  0x100
      |
drivers/net/wireless/rtl8723du/os_dep/os_intfs.c: In function ‘rtw_inet6addr_notifier_call’:
drivers/net/wireless/rtl8723du/os_dep/os_intfs.c:2155:20: warning: unused variable ‘_ipv6_addr’ [-Wunused-variable]
 2155 |  struct ipv6_addr *_ipv6_addr = NULL;
      |                    ^~~~~~~~~~
In file included from ./arch/arm/include/asm/div64.h:127,
                 from ./include/linux/kernel.h:18,
                 from ./include/linux/list.h:9,
                 from ./include/linux/module.h:12,
                 from drivers/net/wireless/rtl8723du/include/basic_types.h:13,
                 from drivers/net/wireless/rtl8723du/include/drv_types.h:15,
                 from drivers/net/wireless/rtl8723du/os_dep/ioctl_cfg80211.c:6:
drivers/net/wireless/rtl8723du/os_dep/ioctl_cfg80211.c: In function ‘rtw_get_systime_us’:
./include/asm-generic/div64.h:226:28: warning: comparison of distinct pointer types lacks a cast
  226 |  (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \
      |                            ^~
drivers/net/wireless/rtl8723du/os_dep/ioctl_cfg80211.c:392:9: note: in expansion of macro ‘do_div’
  392 |  return do_div(ts, 1000);
      |         ^~~~~~
arch/arm/vfp/vfphw.o: in function `vfp_support_entry':
(.text+0xa): relocation truncated to fit: R_ARM_THM_JUMP19 against symbol `vfp_kmode_exception' defined in .text.unlikely section in arch/arm/vfp/vfpmodule.o
make: *** [Makefile:1162: vmlinux] Error 1