build/configs/rtl8721csm: Add warning message for the invalid arg
@@ -323,6 +323,10 @@ erase()
if [[ "${parts[$partidx]}" != "userfs" ]];then
continue
fi
+ else
+ printf "\n## Invalid Option ##\n\n"
+ rtl8721csm_dwld_help
+ break
fi
exe_name=$(get_executable_name ${parts[$partidx]})
[ "No Binary Match" = "${exe_name}" ] && continue
