86 static int resize_info_buffer(struct snd_info_buffer *buffer,  in resize_info_buffer()  argument
92 	nbuf = krealloc(buffer->buffer, nsize, GFP_KERNEL | __GFP_ZERO);  in resize_info_buffer()
96 	buffer->buffer = nbuf;  in resize_info_buffer()
97 	buffer->len = nsize;  in resize_info_buffer()
110 int snd_iprintf(struct snd_info_buffer *buffer, const char *fmt, ...)  in snd_iprintf()  argument
117 	if (buffer->stop || buffer->error)  in snd_iprintf()
119 	len = buffer->len - buffer->size;  in snd_iprintf()
124 		res = vsnprintf(buffer->buffer + buffer->curr, len, fmt, ap);  in snd_iprintf()
128 		err = resize_info_buffer(buffer, buffer->len + PAGE_SIZE);  in snd_iprintf()
131 		len = buffer->len - buffer->size;  in snd_iprintf()
137 	buffer->curr += res;  in snd_iprintf()
138 	buffer->size += res;  in snd_iprintf()
201 static ssize_t snd_info_entry_read(struct file *file, char __user *buffer,  in snd_info_entry_read()  argument
228 		if (copy_to_user(buffer, buf->buffer + pos, size))  in snd_info_entry_read()
239 						  file, buffer, size, pos);  in snd_info_entry_read()
248 static ssize_t snd_info_entry_write(struct file *file, const char __user *buffer,  in snd_info_entry_write()  argument
278 		if (copy_from_user(buf->buffer + pos, buffer, count)) {  in snd_info_entry_write()
292 						   file, buffer, count, pos);  in snd_info_entry_write()
305 	struct snd_info_buffer *buffer;  in snd_info_entry_open()  local
342 			buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);  in snd_info_entry_open()
343 			if (buffer == NULL)  in snd_info_entry_open()
345 			data->rbuffer = buffer;  in snd_info_entry_open()
346 			buffer->len = PAGE_SIZE;  in snd_info_entry_open()
347 			buffer->buffer = kzalloc(buffer->len, GFP_KERNEL);  in snd_info_entry_open()
348 			if (buffer->buffer == NULL)  in snd_info_entry_open()
352 			buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);  in snd_info_entry_open()
353 			if (buffer == NULL)  in snd_info_entry_open()
355 			data->wbuffer = buffer;  in snd_info_entry_open()
356 			buffer->len = PAGE_SIZE;  in snd_info_entry_open()
357 			buffer->buffer = kmalloc(buffer->len, GFP_KERNEL);  in snd_info_entry_open()
358 			if (buffer->buffer == NULL)  in snd_info_entry_open()
386 		kfree(data->rbuffer->buffer);  in snd_info_entry_open()
390 		kfree(data->wbuffer->buffer);  in snd_info_entry_open()
414 			kfree(data->rbuffer->buffer);  in snd_info_entry_release()
431 			kfree(data->wbuffer->buffer);  in snd_info_entry_release()
693 int snd_info_get_line(struct snd_info_buffer *buffer, char *line, int len)  in snd_info_get_line()  argument
697 	if (snd_BUG_ON(!buffer || !buffer->buffer))  in snd_info_get_line()
699 	if (len <= 0 || buffer->stop || buffer->error)  in snd_info_get_line()
701 	while (!buffer->stop) {  in snd_info_get_line()
702 		c = buffer->buffer[buffer->curr++];  in snd_info_get_line()
703 		if (buffer->curr >= buffer->size)  in snd_info_get_line()
704 			buffer->stop = 1;  in snd_info_get_line()
981 static void snd_info_version_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)  in snd_info_version_read()  argument
983 	snd_iprintf(buffer,  in snd_info_version_read()