71 	struct procdata *pd = card->proclog;  in hysdn_addlog()  local
75 	if (!pd)  in hysdn_addlog()
78 	cp = pd->logtmp;  in hysdn_addlog()
88 		printk(KERN_INFO "%s", pd->logtmp);  in hysdn_addlog()
90 		put_log_buffer(card, pd->logtmp);  in hysdn_addlog()
104 	struct procdata *pd = card->proclog;  in put_log_buffer()  local
108 	if (!pd)  in put_log_buffer()
114 	if (pd->if_used <= 0)  in put_log_buffer()
121 	ib->proc_ctrl = pd;	/* point to own control structure */  in put_log_buffer()
123 	ib->usage_cnt = pd->if_used;  in put_log_buffer()
124 	if (!pd->log_head)  in put_log_buffer()
125 		pd->log_head = ib;	/* new head */  in put_log_buffer()
127 		pd->log_tail->next = ib;	/* follows existing messages */  in put_log_buffer()
128 	pd->log_tail = ib;	/* new tail */  in put_log_buffer()
129 	i = pd->del_lock++;	/* get lock state */  in put_log_buffer()
134 		while (pd->log_head->next) {  in put_log_buffer()
135 			if ((pd->log_head->usage_cnt <= 0) &&  in put_log_buffer()
136 			    (pd->log_head->next->usage_cnt <= 0)) {  in put_log_buffer()
137 				ib = pd->log_head;  in put_log_buffer()
138 				pd->log_head = pd->log_head->next;  in put_log_buffer()
143 	pd->del_lock--;		/* release lock level */  in put_log_buffer()
144 	wake_up_interruptible(&(pd->rd_queue));		/* announce new entry */  in put_log_buffer()
179 		struct procdata *pd = card->proclog;  in hysdn_log_read()  local
183 		wait_event_interruptible(pd->rd_queue, (inf =  in hysdn_log_read()
213 		struct procdata *pd = card->proclog;  in hysdn_log_open()  local
218 		pd->if_used++;  in hysdn_log_open()
219 		if (pd->log_head)  in hysdn_log_open()
220 			filep->private_data = &pd->log_tail->next;  in hysdn_log_open()
222 			filep->private_data = &pd->log_head;  in hysdn_log_open()
243 	struct procdata *pd;  in hysdn_log_close()  local
256 			pd = (struct procdata *) inf->proc_ctrl;	/* still entries there */  in hysdn_log_close()
260 			pd = card->proclog;	/* pointer to procfs log */  in hysdn_log_close()
262 		if (pd)  in hysdn_log_close()
263 			pd->if_used--;	/* decrement interface usage count by one */  in hysdn_log_close()
270 		if (pd)  in hysdn_log_close()
271 			if (pd->if_used <= 0)	/* delete buffers if last file closed */  in hysdn_log_close()
272 				while (pd->log_head) {  in hysdn_log_close()
273 					inf = pd->log_head;  in hysdn_log_close()
274 					pd->log_head = pd->log_head->next;  in hysdn_log_close()
291 	struct procdata *pd = card->proclog;  in hysdn_log_poll()  local
296 	poll_wait(file, &(pd->rd_queue), wait);  in hysdn_log_poll()
326 	struct procdata *pd;  in hysdn_proclog_init()  local
330 	if ((pd = kzalloc(sizeof(struct procdata), GFP_KERNEL)) != NULL) {  in hysdn_proclog_init()
331 		sprintf(pd->log_name, "%s%d", PROC_LOG_BASENAME, card->myid);  in hysdn_proclog_init()
332 		pd->log = proc_create_data(pd->log_name,  in hysdn_proclog_init()
336 		init_waitqueue_head(&(pd->rd_queue));  in hysdn_proclog_init()
338 		card->proclog = (void *) pd;	/* remember procfs structure */  in hysdn_proclog_init()
351 	struct procdata *pd;  in hysdn_proclog_release()  local
353 	if ((pd = (struct procdata *) card->proclog) != NULL) {  in hysdn_proclog_release()
354 		if (pd->log)  in hysdn_proclog_release()
355 			remove_proc_entry(pd->log_name, hysdn_proc_entry);  in hysdn_proclog_release()
356 		kfree(pd);	/* release memory */  in hysdn_proclog_release()