126 	struct appldata_ops *ops;  in appldata_work_fn()  local
130 		ops = list_entry(lh, struct appldata_ops, list);  in appldata_work_fn()
131 		if (ops->active == 1) {  in appldata_work_fn()
132 			ops->callback(ops->data);  in appldata_work_fn()
293 	struct appldata_ops *ops = NULL, *tmp_ops;  in appldata_generic_handler()  local
311 	ops = ctl->data;  in appldata_generic_handler()
312 	if (!try_module_get(ops->owner)) {	// protect this function  in appldata_generic_handler()
320 		module_put(ops->owner);  in appldata_generic_handler()
324 		strncpy(buf, ops->active ? "1\n" : "0\n", ARRAY_SIZE(buf));  in appldata_generic_handler()
329 			module_put(ops->owner);  in appldata_generic_handler()
337 		module_put(ops->owner);  in appldata_generic_handler()
342 	if ((buf[0] == '1') && (ops->active == 0)) {  in appldata_generic_handler()
344 		if (!try_module_get(ops->owner)) {  in appldata_generic_handler()
346 			module_put(ops->owner);  in appldata_generic_handler()
349 		ops->callback(ops->data);	// init record  in appldata_generic_handler()
350 		rc = appldata_diag(ops->record_nr,  in appldata_generic_handler()
352 					(unsigned long) ops->data, ops->size,  in appldata_generic_handler()
353 					ops->mod_lvl);  in appldata_generic_handler()
356 			       "failed with rc=%d\n", ops->name, rc);  in appldata_generic_handler()
357 			module_put(ops->owner);  in appldata_generic_handler()
359 			ops->active = 1;  in appldata_generic_handler()
360 	} else if ((buf[0] == '0') && (ops->active == 1)) {  in appldata_generic_handler()
361 		ops->active = 0;  in appldata_generic_handler()
362 		rc = appldata_diag(ops->record_nr, APPLDATA_STOP_REC,  in appldata_generic_handler()
363 				(unsigned long) ops->data, ops->size,  in appldata_generic_handler()
364 				ops->mod_lvl);  in appldata_generic_handler()
367 			       "failed with rc=%d\n", ops->name, rc);  in appldata_generic_handler()
368 		module_put(ops->owner);  in appldata_generic_handler()
374 	module_put(ops->owner);  in appldata_generic_handler()
387 int appldata_register_ops(struct appldata_ops *ops)  in appldata_register_ops()  argument
389 	if (ops->size > APPLDATA_MAX_REC_SIZE)  in appldata_register_ops()
392 	ops->ctl_table = kzalloc(4 * sizeof(struct ctl_table), GFP_KERNEL);  in appldata_register_ops()
393 	if (!ops->ctl_table)  in appldata_register_ops()
397 	list_add(&ops->list, &appldata_ops_list);  in appldata_register_ops()
400 	ops->ctl_table[0].procname = appldata_proc_name;  in appldata_register_ops()
401 	ops->ctl_table[0].maxlen   = 0;  in appldata_register_ops()
402 	ops->ctl_table[0].mode     = S_IRUGO | S_IXUGO;  in appldata_register_ops()
403 	ops->ctl_table[0].child    = &ops->ctl_table[2];  in appldata_register_ops()
405 	ops->ctl_table[2].procname = ops->name;  in appldata_register_ops()
406 	ops->ctl_table[2].mode     = S_IRUGO | S_IWUSR;  in appldata_register_ops()
407 	ops->ctl_table[2].proc_handler = appldata_generic_handler;  in appldata_register_ops()
408 	ops->ctl_table[2].data = ops;  in appldata_register_ops()
410 	ops->sysctl_header = register_sysctl_table(ops->ctl_table);  in appldata_register_ops()
411 	if (!ops->sysctl_header)  in appldata_register_ops()
416 	list_del(&ops->list);  in appldata_register_ops()
418 	kfree(ops->ctl_table);  in appldata_register_ops()
427 void appldata_unregister_ops(struct appldata_ops *ops)  in appldata_unregister_ops()  argument
430 	list_del(&ops->list);  in appldata_unregister_ops()
432 	unregister_sysctl_table(ops->sysctl_header);  in appldata_unregister_ops()
433 	kfree(ops->ctl_table);  in appldata_unregister_ops()
441 	struct appldata_ops *ops;  in appldata_freeze()  local
454 		ops = list_entry(lh, struct appldata_ops, list);  in appldata_freeze()
455 		if (ops->active == 1) {  in appldata_freeze()
456 			rc = appldata_diag(ops->record_nr, APPLDATA_STOP_REC,  in appldata_freeze()
457 					(unsigned long) ops->data, ops->size,  in appldata_freeze()
458 					ops->mod_lvl);  in appldata_freeze()
461 				       "failed with rc=%d\n", ops->name, rc);  in appldata_freeze()
470 	struct appldata_ops *ops;  in appldata_restore()  local
483 		ops = list_entry(lh, struct appldata_ops, list);  in appldata_restore()
484 		if (ops->active == 1) {  in appldata_restore()
485 			ops->callback(ops->data);	// init record  in appldata_restore()
486 			rc = appldata_diag(ops->record_nr,  in appldata_restore()
488 					(unsigned long) ops->data, ops->size,  in appldata_restore()
489 					ops->mod_lvl);  in appldata_restore()
492 				       "failed with rc=%d\n", ops->name, rc);  in appldata_restore()