539 struct field_var {  struct
570 	struct field_var		*field_vars[SYNTH_FIELDS_MAX];
576 	struct field_var		*save_vars[SYNTH_FIELDS_MAX];
3118 				       struct field_var **field_vars,  in __update_field_vars()
3130 		struct field_var *field_var = field_vars[i];  in __update_field_vars()  local
3131 		struct hist_field *var = field_var->var;  in __update_field_vars()
3132 		struct hist_field *val = field_var->val;  in __update_field_vars()
3225 static struct field_var *create_field_var(struct hist_trigger_data *hist_data,  in create_field_var()
3232 	struct field_var *field_var;  in create_field_var()  local
3256 	field_var = kzalloc(sizeof(struct field_var), GFP_KERNEL);  in create_field_var()
3257 	if (!field_var) {  in create_field_var()
3264 	field_var->var = var;  in create_field_var()
3265 	field_var->val = val;  in create_field_var()
3267 	return field_var;  in create_field_var()
3269 	field_var = ERR_PTR(ret);  in create_field_var()
3293 static struct field_var *
3828 static void destroy_field_var(struct field_var *field_var)  in destroy_field_var()  argument
3830 	if (!field_var)  in destroy_field_var()
3833 	destroy_hist_field(field_var->var, 0);  in destroy_field_var()
3834 	destroy_hist_field(field_var->val, 0);  in destroy_field_var()
3836 	kfree(field_var);  in destroy_field_var()
3851 			   struct field_var *field_var)  in save_field_var()  argument
3853 	hist_data->field_vars[hist_data->n_field_vars++] = field_var;  in save_field_var()
3856 	if (field_var->val->flags & (HIST_FIELD_FL_STRING | HIST_FIELD_FL_STACKTRACE))  in save_field_var()
3925 	struct field_var *field_var;  in trace_action_create_field_var()  local
3933 	field_var = create_target_field_var(hist_data, system, event, var);  in trace_action_create_field_var()
3935 	if (field_var && !IS_ERR(field_var)) {  in trace_action_create_field_var()
3936 		save_field_var(hist_data, field_var);  in trace_action_create_field_var()
3937 		hist_field = field_var->var;  in trace_action_create_field_var()
3939 		field_var = NULL;  in trace_action_create_field_var()
3966 	destroy_field_var(field_var);  in trace_action_create_field_var()
4091 	struct field_var *field_var;  in action_create()  local
4128 			field_var = create_target_field_var(hist_data, NULL, NULL, param);  in action_create()
4129 			if (IS_ERR(field_var)) {  in action_create()
4132 				ret = PTR_ERR(field_var);  in action_create()
4137 			hist_data->save_vars[hist_data->n_save_vars++] = field_var;  in action_create()
4138 			if (field_var->val->flags &  in action_create()
5798 				struct field_var *field_var, unsigned int i,  in field_var_debug_show()  argument
5807 	field = field_var->var;  in field_var_debug_show()
5816 	field = field_var->val;  in field_var_debug_show()