[openwrt/openwrt] rtl8812au-ct: Ignore address errors

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/25223b22c86ab07aa174e0285784f591f145a825

commit 25223b22c86ab07aa174e0285784f591f145a825
Author: Hauke Mehrtens <hauke at hauke-m.de>
AuthorDate: Mon Dec 19 01:40:04 2022 +0100

    rtl8812au-ct: Ignore address errors
    
    GCC 12.2.0 shows these error messages:
    ````
    rtl8812au-ct-2021-11-07-39df5596/core/rtw_sta_mgt.c: In function 'rtw_mfree_stainfo':
    rtl8812au-ct-2021-11-07-39df5596/core/rtw_sta_mgt.c:210:24: error: the comparison will always evaluate as 'true' for the address of 'lock' will never be NULL [-Werror=address]
      210 |         if(&psta->lock != NULL)
          |                        ^~
    In file included from rtl8812au-ct-2021-11-07-39df5596/include/drv_types.h:109,
                     from rtl8812au-ct-2021-11-07-39df5596/core/rtw_sta_mgt.c:22:
    rtl8812au-ct-2021-11-07-39df5596/include/sta_info.h:95:17: note: 'lock' declared here
       95 |         _lock   lock;
          |                 ^~~~
    ````
    
    ````
      CC [M]  rtl8812au-ct-2021-11-07-39df5596/os_dep/linux/ioctl_cfg80211.o
    rtl8812au-ct-2021-11-07-39df5596/os_dep/linux/ioctl_cfg80211.c: In function 'cfg80211_rtw_scan':
    rtl8812au-ct-2021-11-07-39df5596/os_dep/linux/ioctl_cfg80211.c:2176:32: warning: the comparison will always evaluate as 'true' for the address of 'ssid' will never be NULL [-Waddress]
     2176 |                 if(ssids->ssid != NULL
          |                                ^~
    In file included from rtl8812au-ct-2021-11-07-39df5596/include/osdep_service_linux.h:88,
                     from rtl8812au-ct-2021-11-07-39df5596/include/osdep_service.h:41,
                     from rtl8812au-ct-2021-11-07-39df5596/include/drv_types.h:32,
                     from rtl8812au-ct-2021-11-07-39df5596/os_dep/linux/ioctl_cfg80211.c:22:
    /home/hauke/openwrt/openwrt/staging_dir/target-mips_24kc_musl/usr/include/mac80211/net/cfg80211.h:2364:12: note: 'ssid' declared here
     2364 |         u8 ssid[IEEE80211_MAX_SSID_LEN];
          |            ^~~~
    ````
    
    ````
      CC [M]  rtl8812au-ct-2021-11-07-39df5596/hal/OUTSRC/phydm_debug.o
    rtl8812au-ct-2021-11-07-39df5596/hal/OUTSRC/phydm_debug.c: In function 'phydm_cmd_parser':
    rtl8812au-ct-2021-11-07-39df5596/hal/OUTSRC/phydm_debug.c:873:28: warning: the comparison will always evaluate as 'true' for the pointer operand in 'input + ((sizetype)i + 1) * 16' must not be NULL [-Waddress]
      873 |                         if(input[i+1]) {
          |                            ^~~~~
    rtl8812au-ct-2021-11-07-39df5596/hal/OUTSRC/phydm_debug.c:894:28: warning: the comparison will always evaluate as 'true' for the pointer operand in 'input + ((sizetype)i + 1) * 16' must not be NULL [-Waddress]
      894 |                         if(input[i+1]) {
          |                            ^~~~~
    ````
    
    This one was only seen on the rockchip/armv8 target:
    ````
      CC [M]  rtl8812au-ct-2021-11-07-39df5596/core/rtw_br_ext.o
    In function '__nat25_add_pppoe_tag',
        inlined from 'nat25_db_handle' at rtl8812au-ct-2021-11-07-39df5596/core/rtw_br_ext.c:909:10:
    rtl8812au-ct-2021-11-07-39df5596/core/rtw_br_ext.c:118:9: error: 'memcpy' reading between 2052 and 9220 bytes from a region of size 40 [-Werror=stringop-overread]
      118 |         memcpy((unsigned char *)ph->tag, tag, data_len);
          |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    rtl8812au-ct-2021-11-07-39df5596/core/rtw_br_ext.c: In function 'nat25_db_handle':
    rtl8812au-ct-2021-11-07-39df5596/core/rtw_br_ext.c:878:63: note: source object 'tag_buf' of size 40
      878 |                                                 unsigned char tag_buf[40];
          |                                                               ^~~~~~~
    ````
    
    Most of them are looking like real errors to me, but some fixes need a
    deeper understanding of the driver and probably bigger changes to the driver.
    
    Ignore these error messages for now. It would be nice if someone would
    fix them.
    
    Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
---
 package/kernel/rtl8812au-ct/Makefile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/package/kernel/rtl8812au-ct/Makefile b/package/kernel/rtl8812au-ct/Makefile
index c8dd417067..be1acabf28 100644
--- a/package/kernel/rtl8812au-ct/Makefile
+++ b/package/kernel/rtl8812au-ct/Makefile
@@ -39,7 +39,9 @@ NOSTDINC_FLAGS := \
 	-I$(STAGING_DIR)/usr/include/mac80211-backport/uapi \
 	-I$(STAGING_DIR)/usr/include/mac80211 \
 	-I$(STAGING_DIR)/usr/include/mac80211/uapi \
-	-include backport/backport.h
+	-include backport/backport.h \
+	-Wno-error=address \
+	-Wno-error=stringop-overread
 
 NOSTDINC_FLAGS+=-DCONFIG_IOCTL_CFG80211 -DRTW_USE_CFG80211_STA_EVENT -DBUILD_OPENWRT