summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorandrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524>2010-02-11 03:21:18 +0000
committerandrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524>2010-02-11 03:21:18 +0000
commit127fd07c83470636318bc4d5fa7cc6188abfd39b (patch)
tree3b2d5591beac39edc5fdee77263777c50b415741
parentea0210023728e57519584432ac5cb6c11869b93d (diff)
downloadedk2-platforms-127fd07c83470636318bc4d5fa7cc6188abfd39b.tar.xz
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
-rw-r--r--EmbeddedPkg/Library/EfiFileLib/EfiFileLib.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/EmbeddedPkg/Library/EfiFileLib/EfiFileLib.c b/EmbeddedPkg/Library/EfiFileLib/EfiFileLib.c
index 2d53368c9f..a68fbf0998 100644
--- a/EmbeddedPkg/Library/EfiFileLib/EfiFileLib.c
+++ b/EmbeddedPkg/Library/EfiFileLib/EfiFileLib.c
@@ -1169,9 +1169,11 @@ EfiSeek (
if (File->Type == EfiOpenLoadFile || File->Type == EfiOpenFirmwareVolume) {
if (!CompareGuid (&File->FvNameGuid, &gZeroGuid)) {
- // LoadFile and FV do not support Seek
- // You can seek on a raw FV device
- return EFI_UNSUPPORTED;
+ if ((SeekType != EfiSeekStart) && (Offset != 0)) {
+ // LoadFile and FV do not support Seek
+ // You can seek on a raw FV device
+ return EFI_UNSUPPORTED;
+ }
}
}