112 	struct appldata_ops *ops;  in appldata_work_fn()  local
116 		ops = list_entry(lh, struct appldata_ops, list);  in appldata_work_fn()
117 		if (ops->active == 1) {  in appldata_work_fn()
118 			ops->callback(ops->data);  in appldata_work_fn()
269 	struct appldata_ops *ops = NULL, *tmp_ops;  in appldata_generic_handler()  local
292 	ops = ctl->data;  in appldata_generic_handler()
293 	if (!try_module_get(ops->owner)) {	// protect this function  in appldata_generic_handler()
299 	active = ops->active;  in appldata_generic_handler()
302 		module_put(ops->owner);  in appldata_generic_handler()
307 	if (active && (ops->active == 0)) {  in appldata_generic_handler()
309 		if (!try_module_get(ops->owner)) {  in appldata_generic_handler()
311 			module_put(ops->owner);  in appldata_generic_handler()
314 		ops->callback(ops->data);	// init record  in appldata_generic_handler()
315 		rc = appldata_diag(ops->record_nr,  in appldata_generic_handler()
317 					(unsigned long) ops->data, ops->size,  in appldata_generic_handler()
318 					ops->mod_lvl);  in appldata_generic_handler()
321 			       "failed with rc=%d\n", ops->name, rc);  in appldata_generic_handler()
322 			module_put(ops->owner);  in appldata_generic_handler()
324 			ops->active = 1;  in appldata_generic_handler()
325 	} else if (!active && (ops->active == 1)) {  in appldata_generic_handler()
326 		ops->active = 0;  in appldata_generic_handler()
327 		rc = appldata_diag(ops->record_nr, APPLDATA_STOP_REC,  in appldata_generic_handler()
328 				(unsigned long) ops->data, ops->size,  in appldata_generic_handler()
329 				ops->mod_lvl);  in appldata_generic_handler()
332 			       "failed with rc=%d\n", ops->name, rc);  in appldata_generic_handler()
333 		module_put(ops->owner);  in appldata_generic_handler()
336 	module_put(ops->owner);  in appldata_generic_handler()
349 int appldata_register_ops(struct appldata_ops *ops)  in appldata_register_ops()  argument
351 	if (ops->size > APPLDATA_MAX_REC_SIZE)  in appldata_register_ops()
354 	ops->ctl_table = kcalloc(1, sizeof(struct ctl_table), GFP_KERNEL);  in appldata_register_ops()
355 	if (!ops->ctl_table)  in appldata_register_ops()
359 	list_add(&ops->list, &appldata_ops_list);  in appldata_register_ops()
362 	ops->ctl_table[0].procname = ops->name;  in appldata_register_ops()
363 	ops->ctl_table[0].mode = S_IRUGO | S_IWUSR;  in appldata_register_ops()
364 	ops->ctl_table[0].proc_handler = appldata_generic_handler;  in appldata_register_ops()
365 	ops->ctl_table[0].data = ops;  in appldata_register_ops()
367 	ops->sysctl_header = register_sysctl_sz(appldata_proc_name, ops->ctl_table, 1);  in appldata_register_ops()
368 	if (!ops->sysctl_header)  in appldata_register_ops()
373 	list_del(&ops->list);  in appldata_register_ops()
375 	kfree(ops->ctl_table);  in appldata_register_ops()
384 void appldata_unregister_ops(struct appldata_ops *ops)  in appldata_unregister_ops()  argument
387 	list_del(&ops->list);  in appldata_unregister_ops()
389 	unregister_sysctl_table(ops->sysctl_header);  in appldata_unregister_ops()
390 	kfree(ops->ctl_table);  in appldata_unregister_ops()