Merge pull request #52784 from takumi12311123/49972-check-config-optional-exit

contrib/check-config: don't propagate optional feature failures to exit code

contrib/check-config.sh

@@ -244,6 +244,10 @@ fi
 
 echo
 
+# Save the results of the required features while running optional feature checks.
+required_features_result=${EXITCODE}
+EXITCODE=0
+
 echo 'Optional Features:'
 {
 	check_flags USER_NS
@@ -353,6 +357,9 @@ if ! is_set EXT4_FS || ! is_set EXT4_FS_POSIX_ACL || ! is_set EXT4_FS_SECURITY;
 	fi
 fi
 
+# Restore results of the required features check.
+EXITCODE=${required_features_result}
+
 echo '- Network Drivers:'
 echo "  - \"$(wrap_color 'bridge' blue)\":"
 check_sysctl net.ipv4.ip_forward 1 | sed 's/^/    - /'