199 	struct io_br_sel sel = { };  in io_ring_buffer_select()  local
205 		return sel;  in io_ring_buffer_select()
214 	sel.addr = u64_to_user_ptr(READ_ONCE(buf->addr));  in io_ring_buffer_select()
215 	if (unlikely(!access_ok(sel.addr, *len))) {  in io_ring_buffer_select()
216 		sel.addr = NULL;  in io_ring_buffer_select()
217 		return sel;  in io_ring_buffer_select()
221 	sel.buf_list = bl;  in io_ring_buffer_select()
224 		if (!io_kbuf_commit(req, sel.buf_list, *len, 1))  in io_ring_buffer_select()
226 		sel.buf_list = NULL;  in io_ring_buffer_select()
228 	return sel;  in io_ring_buffer_select()
235 	struct io_br_sel sel = { };  in io_buffer_select()  local
243 			sel = io_ring_buffer_select(req, len, bl, issue_flags);  in io_buffer_select()
245 			sel.addr = io_provided_buffer_select(req, len, bl);  in io_buffer_select()
248 	return sel;  in io_buffer_select()
346 		      struct io_br_sel *sel, unsigned int issue_flags)  in io_buffers_select()  argument
352 	sel->buf_list = io_buffer_get_list(ctx, arg->buf_group);  in io_buffers_select()
353 	if (unlikely(!sel->buf_list))  in io_buffers_select()
356 	if (sel->buf_list->flags & IOBL_BUF_RING) {  in io_buffers_select()
357 		ret = io_ring_buffers_peek(req, arg, sel->buf_list);  in io_buffers_select()
367 			if (!io_kbuf_commit(req, sel->buf_list, arg->out_len, ret))  in io_buffers_select()
371 		ret = io_provided_buffers_select(req, &arg->out_len, sel->buf_list, arg->iovs);  in io_buffers_select()
375 		sel->buf_list = NULL;  in io_buffers_select()
382 		    struct io_br_sel *sel)  in io_buffers_peek()  argument
398 		sel->buf_list = bl;  in io_buffers_peek()
403 	sel->buf_list = NULL;  in io_buffers_peek()