230 static struct block_content *block_from_index(const struct channel_config *ch_conf,  in block_from_index()  argument
233 	return (struct block_content *)(ch_conf->blocks_ptr +  in block_from_index()
234 					block_index * ch_conf->block_size);  in block_from_index()
250 static uint8_t *buffer_from_index_validate(const struct channel_config *ch_conf,  in buffer_from_index_validate()  argument
259 	if (block_index >= ch_conf->block_count) {  in buffer_from_index_validate()
264 	block = block_from_index(ch_conf, block_index);  in buffer_from_index_validate()
271 		allocable_size = ch_conf->block_count * ch_conf->block_size;  in buffer_from_index_validate()
272 		end_ptr = ch_conf->blocks_ptr + allocable_size;  in buffer_from_index_validate()
302 static int buffer_to_index_validate(const struct channel_config *ch_conf,  in buffer_to_index_validate()  argument
308 	block_index = (buffer - ch_conf->blocks_ptr) / ch_conf->block_size;  in buffer_to_index_validate()
310 	expected = buffer_from_index_validate(ch_conf, block_index, size, false);  in buffer_to_index_validate()