252 struct field_var {  struct
284 	struct field_var		*field_vars[SYNTH_FIELDS_MAX];
290 	struct field_var		*max_vars[SYNTH_FIELDS_MAX];
3085 				       struct field_var **field_vars,  in __update_field_vars()
3094 		struct field_var *field_var = field_vars[i];  in __update_field_vars()  local
3095 		struct hist_field *var = field_var->var;  in __update_field_vars()
3096 		struct hist_field *val = field_var->val;  in __update_field_vars()
3171 static struct field_var *create_field_var(struct hist_trigger_data *hist_data,  in create_field_var()
3177 	struct field_var *field_var;  in create_field_var()  local
3201 	field_var = kzalloc(sizeof(struct field_var), GFP_KERNEL);  in create_field_var()
3202 	if (!field_var) {  in create_field_var()
3209 	field_var->var = var;  in create_field_var()
3210 	field_var->val = val;  in create_field_var()
3212 	return field_var;  in create_field_var()
3214 	field_var = ERR_PTR(ret);  in create_field_var()
3238 static struct field_var *
3331 	struct field_var *field_var;  in onmax_create()  local
3381 		field_var = create_target_field_var(hist_data, NULL, NULL, param);  in onmax_create()
3382 		if (IS_ERR(field_var)) {  in onmax_create()
3384 			ret = PTR_ERR(field_var);  in onmax_create()
3389 		hist_data->max_vars[hist_data->n_max_vars++] = field_var;  in onmax_create()
3390 		if (field_var->val->flags & HIST_FIELD_FL_STRING)  in onmax_create()
3511 static void destroy_field_var(struct field_var *field_var)  in destroy_field_var()  argument
3513 	if (!field_var)  in destroy_field_var()
3516 	destroy_hist_field(field_var->var, 0);  in destroy_field_var()
3517 	destroy_hist_field(field_var->val, 0);  in destroy_field_var()
3519 	kfree(field_var);  in destroy_field_var()
3531 			   struct field_var *field_var)  in save_field_var()  argument
3533 	hist_data->field_vars[hist_data->n_field_vars++] = field_var;  in save_field_var()
3535 	if (field_var->val->flags & HIST_FIELD_FL_STRING)  in save_field_var()
3604 	struct field_var *field_var;  in onmatch_create_field_var()  local
3612 	field_var = create_target_field_var(hist_data, system, event, var);  in onmatch_create_field_var()
3614 	if (field_var && !IS_ERR(field_var)) {  in onmatch_create_field_var()
3615 		save_field_var(hist_data, field_var);  in onmatch_create_field_var()
3616 		hist_field = field_var->var;  in onmatch_create_field_var()
3618 		field_var = NULL;  in onmatch_create_field_var()
3643 	destroy_field_var(field_var);  in onmatch_create_field_var()