SectorReader: Fix reading the last block of the disc.

Regression from PR #3795.
This commit is contained in:
Pierre Bourdon 2016-05-29 17:55:34 +02:00
parent 6ef7414479
commit c4240692b6

View File

@ -141,7 +141,7 @@ u32 SectorReader::ReadChunk(u8* buffer, u64 chunk_num)
// If we are reading the end of a disk, there may not be enough blocks to
// read a whole chunk. We need to clamp down in that case.
u64 end_block = GetDataSize() / m_block_size;
u64 end_block = (GetDataSize() + m_block_size - 1) / m_block_size;
if (end_block)
cnt_blocks = static_cast<u32>(std::min<u64>(m_chunk_blocks, end_block - block_num));