Various command-line utilities, including mysqlbinlog and mysqldump, don't

handle the --skip-password option correctly. (Bug #28479)

client/mysql_upgrade.c

@@ -231,6 +231,8 @@ get_one_option(int optid, const struct my_option *opt,
     break;
 
   case 'p':
+    if (argument == disabled_my_option)
+      argument= (char*) "";			// Don't require password
     tty_password= 1;
     add_option= FALSE;
     if (argument)