156 	buf->padding = kmalloc_objs(size_t, chan->n_subbufs);  in relay_create_buf()
157 	if (!buf->padding)  in relay_create_buf()
169 	kfree(buf->padding);  in relay_create_buf()
203 	kfree(buf->padding);  in relay_destroy_buf()
308 		buf->padding[i] = 0;  in __relay_reset()
567 		buf->padding[old_subbuf] = prev_padding;  in relay_switch_subbuf()
572 				buf->padding[old_subbuf];  in relay_switch_subbuf()
575 					    buf->padding[old_subbuf];  in relay_switch_subbuf()
597 	buf->padding[new_subbuf] = 0;  in relay_switch_subbuf()
828 	if (buf->bytes_consumed + buf->padding[read_subbuf] == subbuf_size) {  in relay_file_read_consume()
887 	size_t padding, avail = 0;  in relay_file_read_subbuf_avail()  local
895 	padding = buf->padding[read_subbuf];  in relay_file_read_subbuf_avail()
898 		if (read_offset + padding < write_offset)  in relay_file_read_subbuf_avail()
899 			avail = write_offset - (read_offset + padding);  in relay_file_read_subbuf_avail()
901 		avail = (subbuf_size - padding) - read_offset;  in relay_file_read_subbuf_avail()
916 	size_t read_subbuf, padding, padding_start, padding_end;  in relay_file_read_start_pos()  local
924 	padding = buf->padding[read_subbuf];  in relay_file_read_start_pos()
925 	padding_start = (read_subbuf + 1) * subbuf_size - padding;  in relay_file_read_start_pos()
945 	size_t read_subbuf, padding, end_pos;  in relay_file_read_end_pos()  local
950 	padding = buf->padding[read_subbuf];  in relay_file_read_end_pos()
951 	if (read_pos % subbuf_size + count + padding == subbuf_size)  in relay_file_read_end_pos()