On Mon, 2019-08-12 at 10:05 +0800, ???????????? wrote: > hi , > i installed debian 10 on my thinkpad e470c, but wifi can't work. > > i fond the driver on > https://github.com/endlessm/linux/tree/master/drivers/net/wireless/rtl8821ce > , but after make , i got error: > > /home/wjm/Templates/rtl8821ce-git20190810/os_dep/linux/rtw_android.c: > In function ???rtw_android_priv_cmd???: > /home/wjm/Templates/rtl8821ce- > git20190810/os_dep/linux/rtw_android.c:665:49: error: macro > "access_ok" requires 3 arguments, but only 2 given > if (!access_ok(priv_cmd.buf, priv_cmd.total_len)) { > ^ > /home/wjm/Templates/rtl8821ce- > git20190810/os_dep/linux/rtw_android.c:665:7: error: ???access_ok??? > undeclared (first use in this function) > if (!access_ok(priv_cmd.buf, priv_cmd.total_len)) { > ^~~~~~~~~ > /home/wjm/Templates/rtl8821ce- > git20190810/os_dep/linux/rtw_android.c:665:7: note: each undeclared > identifier is reported only once for each function it appears in > make[4]: *** [/usr/src/linux-headers-4.19.0-5- > common/scripts/Makefile.build:309???/home/wjm/Templates/rtl8821ce- > git20190810/os_dep/linux/rtw_android.o] error 1 > make[3]: *** [/usr/src/linux-headers-4.19.0-5- > common/Makefile:1539???_module_/home/wjm/Templates/rtl8821ce- > git20190810] error 2 > make[2]: *** [Makefile:146???sub-make] error 2 > make[1]: *** [Makefile:8???all] error 2 > make[1]: leave ???/usr/src/linux-headers-4.19.0-5-amd64??? > make: *** [Makefile:2237???modules] error 2 > > So, i need your help.Tell me how can i do. > > Thanks a lot! >