if( dev->internal_start_block <= blk && blk <= dev->internal_end_block)
bi = yaffs_get_block_info(dev, blk);
if (bi && bi->block_state == YAFFS_BLOCK_STATE_EMPTY)
if( dev->internal_start_block <= blk && blk <= dev->internal_end_block)
bi = yaffs_get_block_info(dev, blk);
if (bi && bi->block_state == YAFFS_BLOCK_STATE_EMPTY)