1 /* 2 * Copyright (C) 2010 Dan Carpenter. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation; either version 2 7 * of the License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, see http://www.gnu.org/copyleft/gpl.txt 16 */ 17 18 #include "smatch.h" 19 #include "smatch_slist.h" 20 21 static int my_id; 22 23 static void match_mod_timer(const char *fn, struct expression *expr, void *param) 24 { 25 struct expression *arg; 26 sval_t sval; 27 28 arg = get_argument_from_call_expr(expr->args, 1); 29 if (!get_value(arg, &sval) || sval.value == 0) 30 return; 31 sm_warning("mod_timer() takes an absolute time not an offset."); 32 } 33 34 void check_mod_timer(int id) 35 { 36 if (option_project != PROJ_KERNEL) 37 return; 38 39 my_id = id; 40 add_function_hook("mod_timer", &match_mod_timer, NULL); 41 } 42