17117 	int *insn_stack = env->cfg.insn_stack;  in push_insn()  local
17144 		insn_stack[env->cfg.cur_stack++] = w;  in push_insn()
17574 	int *insn_stack, *insn_state, *insn_postorder;  in check_cfg()  local
17581 	insn_stack = env->cfg.insn_stack = kvcalloc(insn_cnt, sizeof(int), GFP_KERNEL);  in check_cfg()
17582 	if (!insn_stack) {  in check_cfg()
17590 		kvfree(insn_stack);  in check_cfg()
17599 	insn_stack[0] = 0; /* 0 is the first instruction */  in check_cfg()
17604 		int t = insn_stack[env->cfg.cur_stack - 1];  in check_cfg()
17632 		insn_stack[0] = ex_insn_beg;  in check_cfg()
17660 	kvfree(insn_stack);  in check_cfg()
17661 	env->cfg.insn_state = env->cfg.insn_stack = NULL;  in check_cfg()