WIA: Correctly handle data with size not divisible by chunk size

2020-01-03 23:57:35 +01:00 · 2020-01-03 23:57:35 +01:00 · 1579e061a3
parent 3c373c8aa8
commit 1579e061a3
1 changed files with 2 additions and 0 deletions
--- a/Source/Core/DiscIO/WIABlob.cpp
+++ b/Source/Core/DiscIO/WIABlob.cpp
@ -246,6 +246,8 @@ bool WIAFileReader::ReadFromGroups(u64* offset, u64* size, u8** out_ptr, u64 chu
    const u64 group_offset = data_offset + i * chunk_size;
    const u64 offset_in_group = *offset - group_offset;

+    chunk_size = std::min(chunk_size, data_offset + data_size - group_offset);
+
    const u64 bytes_to_read = std::min(chunk_size - offset_in_group, *size);
    const u32 group_data_size = Common::swap32(group.data_size);
    if (group_data_size == 0)