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Check file system validity before reading opening.bnr

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This happened to work without any problems because the only way for a
file system to be invalid was to not have the right GC/Wii magic word
in the unencrypted area, and a volume could not be created without
having the right GC/Wii magic word there. Now that file systems read
the magic word from a partition instead, a fix is needed.
This commit is contained in:
JosJuice
2015-06-03 13:19:28 +02:00
parent 639ce6c484
commit 2bcad57225
2 changed files with 6 additions and 1 deletions
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4
Source/Core/DiscIO/VolumeGC.cpp
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@ -193,8 +193,10 @@ void CVolumeGC::LoadBannerFile() const
GCBanner banner_file;
std::unique_ptr<IFileSystem> file_system(CreateFileSystem(this, PARTITION_NONE));
size_t file_size = static_cast<size_t>(file_system->GetFileSize("opening.bnr"));
if (!file_system)
return;
size_t file_size = static_cast<size_t>(file_system->GetFileSize("opening.bnr"));
constexpr int BNR1_MAGIC = 0x31524e42;
constexpr int BNR2_MAGIC = 0x32524e42;
if (file_size != BNR1_SIZE && file_size != BNR2_SIZE)