23 	struct ishtp_cl_rb *rb;  in ishtp_cl_alloc_rx_ring()  local
28 		rb = ishtp_io_rb_init(cl);  in ishtp_cl_alloc_rx_ring()
29 		if (!rb) {  in ishtp_cl_alloc_rx_ring()
33 		ret = ishtp_io_rb_alloc_buf(rb, len);  in ishtp_cl_alloc_rx_ring()
37 		list_add_tail(&rb->list, &cl->free_rb_list.list);  in ishtp_cl_alloc_rx_ring()
99 	struct ishtp_cl_rb *rb;  in ishtp_cl_free_rx_ring()  local
105 		rb = list_entry(cl->free_rb_list.list.next, struct ishtp_cl_rb,  in ishtp_cl_free_rx_ring()
107 		list_del(&rb->list);  in ishtp_cl_free_rx_ring()
108 		kfree(rb->buffer.data);  in ishtp_cl_free_rx_ring()
109 		kfree(rb);  in ishtp_cl_free_rx_ring()
115 		rb = list_entry(cl->in_process_list.list.next,  in ishtp_cl_free_rx_ring()
117 		list_del(&rb->list);  in ishtp_cl_free_rx_ring()
118 		kfree(rb->buffer.data);  in ishtp_cl_free_rx_ring()
119 		kfree(rb);  in ishtp_cl_free_rx_ring()
165 void ishtp_io_rb_free(struct ishtp_cl_rb *rb)  in ishtp_io_rb_free()  argument
167 	if (rb == NULL)  in ishtp_io_rb_free()
170 	kfree(rb->buffer.data);  in ishtp_io_rb_free()
171 	kfree(rb);  in ishtp_io_rb_free()
184 	struct ishtp_cl_rb *rb;  in ishtp_io_rb_init()  local
186 	rb = kzalloc(sizeof(struct ishtp_cl_rb), GFP_KERNEL);  in ishtp_io_rb_init()
187 	if (!rb)  in ishtp_io_rb_init()
190 	INIT_LIST_HEAD(&rb->list);  in ishtp_io_rb_init()
191 	rb->cl = cl;  in ishtp_io_rb_init()
192 	rb->buf_idx = 0;  in ishtp_io_rb_init()
193 	return rb;  in ishtp_io_rb_init()
205 int ishtp_io_rb_alloc_buf(struct ishtp_cl_rb *rb, size_t length)  in ishtp_io_rb_alloc_buf()  argument
207 	if (!rb)  in ishtp_io_rb_alloc_buf()
213 	rb->buffer.data = kmalloc(length, GFP_KERNEL);  in ishtp_io_rb_alloc_buf()
214 	if (!rb->buffer.data)  in ishtp_io_rb_alloc_buf()
217 	rb->buffer.size = length;  in ishtp_io_rb_alloc_buf()
229 int ishtp_cl_io_rb_recycle(struct ishtp_cl_rb *rb)  in ishtp_cl_io_rb_recycle()  argument
235 	if (!rb || !rb->cl)  in ishtp_cl_io_rb_recycle()
238 	cl = rb->cl;  in ishtp_cl_io_rb_recycle()
240 	list_add_tail(&rb->list, &cl->free_rb_list.list);  in ishtp_cl_io_rb_recycle()
286 	struct ishtp_cl_rb *rb;  in ishtp_cl_rx_get_rb()  local
289 	rb = list_first_entry_or_null(&cl->in_process_list.list,  in ishtp_cl_rx_get_rb()
291 	if (rb)  in ishtp_cl_rx_get_rb()
292 		list_del_init(&rb->list);  in ishtp_cl_rx_get_rb()
295 	return rb;  in ishtp_cl_rx_get_rb()