From: Min M Xu <min.m...@intel.com> OvmfPkg/Library/NvVarsFileLib allows loading variables into emulated varstore from a on-disk NvVars file. We can't allow that when secure boot is active. So check secure-boot feature and shortcut the ConnectNvVarsToFileSystem() function when sb is enabled.
Cc: Erdem Aktas <erdemak...@google.com> Cc: James Bottomley <j...@linux.ibm.com> Cc: Jiewen Yao <jiewen....@intel.com> Cc: Tom Lendacky <thomas.lenda...@amd.com> Cc: Gerd Hoffmann <kra...@redhat.com> Suggested-by: Gerd Hoffmann <kra...@redhat.com> Signed-off-by: Min Xu <min.m...@intel.com> --- OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.c b/OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.c index 21b71524ea48..72289da35819 100644 --- a/OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.c +++ b/OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.c @@ -28,6 +28,12 @@ ConnectNvVarsToFileSystem ( IN EFI_HANDLE FsHandle ) { + #ifdef SECURE_BOOT_FEATURE_ENABLED + + return EFI_UNSUPPORTED; + + #else + EFI_STATUS Status; // @@ -46,6 +52,7 @@ ConnectNvVarsToFileSystem ( } return Status; + #endif } /** -- 2.29.2.windows.2 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#90840): https://edk2.groups.io/g/devel/message/90840 Mute This Topic: https://groups.io/mt/92061207/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-