From 25223b22c86ab07aa174e0285784f591f145a825 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Mon, 19 Dec 2022 01:40:04 +0100 Subject: [PATCH] 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 --- 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 c8dd4170673..be1acabf287 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 -- 2.30.2