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Fix issue with making a seek to zero on an FV file legal. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9979 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
andrewfish 2010-02-11 03:21:18 +00:00
parent ea02100237
commit 127fd07c83
1 changed files with 5 additions and 3 deletions
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2
EmbeddedPkg/Library/EfiFileLib/EfiFileLib.c
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@ -1169,11 +1169,13 @@ EfiSeek (
if (File->Type == EfiOpenLoadFile || File->Type == EfiOpenFirmwareVolume) { if (File->Type == EfiOpenLoadFile || File->Type == EfiOpenFirmwareVolume) {
if (!CompareGuid (&File->FvNameGuid, &gZeroGuid)) { if (!CompareGuid (&File->FvNameGuid, &gZeroGuid)) {
if ((SeekType != EfiSeekStart) && (Offset != 0)) {
// LoadFile and FV do not support Seek // LoadFile and FV do not support Seek
// You can seek on a raw FV device // You can seek on a raw FV device
return EFI_UNSUPPORTED; return EFI_UNSUPPORTED;
} }
} }
}
CurrentPosition = File->CurrentPosition; CurrentPosition = File->CurrentPosition;
switch (SeekType) { switch (SeekType) {