New Kernel changed API so driver wouldn't compile on it.
make output:
make[1]: Entering directory '/usr/lib/modules/6.0.2-zen1-1-zen/build'
CC [M] /home/nanzert/Repos/Other/rtl8821CU/os_dep/linux/ioctl_cfg80211.o
/home/nanzert/Repos/Other/rtl8821CU/os_dep/linux/ioctl_cfg80211.c: In function ‘rtw_cfg80211_ch_switch_notify’:
/home/nanzert/Repos/Other/rtl8821CU/os_dep/linux/ioctl_cfg80211.c:420:9: error: too few arguments to function ‘cfg80211_ch_switch_notify’
420 | cfg80211_ch_switch_notify(adapter->pnetdev, &chdef);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /home/nanzert/Repos/Other/rtl8821CU/include/osdep_service_linux.h:93,
from /home/nanzert/Repos/Other/rtl8821CU/include/osdep_service.h:50,
from /home/nanzert/Repos/Other/rtl8821CU/include/drv_types.h:27,
from /home/nanzert/Repos/Other/rtl8821CU/os_dep/linux/ioctl_cfg80211.c:17:
./include/net/cfg80211.h:8261:6: note: declared here
8261 | void cfg80211_ch_switch_notify(struct net_device *dev,
| ^~~~~~~~~~~~~~~~~~~~~~~~~
/home/nanzert/Repos/Other/rtl8821CU/os_dep/linux/ioctl_cfg80211.c: In function ‘rtw_cfg80211_indicate_connect’:
/home/nanzert/Repos/Other/rtl8821CU/os_dep/linux/ioctl_cfg80211.c:1088:26: error: ‘struct cfg80211_roam_info’ has no member named ‘bssid’
1088 | roam_info.bssid = cur_network->network.MacAddress;
| ^
/home/nanzert/Repos/Other/rtl8821CU/os_dep/linux/ioctl_cfg80211.c: In function ‘cfg80211_rtw_scan’:
/home/nanzert/Repos/Other/rtl8821CU/os_dep/linux/ioctl_cfg80211.c:2867:33: warning: the comparison will always evaluate as ‘true’ for the address of ‘ssid’ will never be NULL [-Waddress]
2867 | if (ssids->ssid != NULL
| ^~
./include/net/cfg80211.h:2357:12: note: ‘ssid’ declared here
2357 | u8 ssid[IEEE80211_MAX_SSID_LEN];
| ^~~~
/home/nanzert/Repos/Other/rtl8821CU/os_dep/linux/ioctl_cfg80211.c: At top level:
/home/nanzert/Repos/Other/rtl8821CU/os_dep/linux/ioctl_cfg80211.c:9416:20: error: initialization of ‘int (*)(struct wiphy *, struct net_device *, unsigned int)’ from incompatible pointer type ‘int (*)(struct wiphy *, struct net_device *)’ [-Werror=incompatible-pointer-types]
9416 | .stop_ap = cfg80211_rtw_stop_ap,
| ^~~~~~~~~~~~~~~~~~~~
/home/nanzert/Repos/Other/rtl8821CU/os_dep/linux/ioctl_cfg80211.c:9416:20: note: (near initialization for ‘rtw_cfg80211_ops.stop_ap’)
/home/nanzert/Repos/Other/rtl8821CU/os_dep/linux/ioctl_cfg80211.c: In function ‘rtw_wdev_unregister’:
/home/nanzert/Repos/Other/rtl8821CU/os_dep/linux/ioctl_cfg80211.c:9682:17: error: ‘struct wireless_dev’ has no member named ‘current_bss’
9682 | if (wdev->current_bss) {
| ^~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:249: /home/nanzert/Repos/Other/rtl8821CU/os_dep/linux/ioctl_cfg80211.o] Error 1
make[1]: *** [Makefile:1849: /home/nanzert/Repos/Other/rtl8821CU] Error 2
make[1]: Leaving directory '/usr/lib/modules/6.0.2-zen1-1-zen/build'
make: *** [Makefile:2217: modules] Error 2
New Kernel changed API so driver wouldn't compile on it.
make
output: