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Only run MokManager if asked or a security violation occurs.

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Don't run MokManager on any random error from start_image(second_stage);
only try it if it /is/ the second stage, or if start_image gave us
EFI_SECURITY_VIOLATION.

Signed-off-by: Peter Jones <pjones@redhat.com>
This commit is contained in:
Peter Jones 2015-06-04 10:19:30 -04:00
parent 929b5b762b
commit 0b394a9480
1 changed files with 12 additions and 5 deletions
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17
shim.c
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@ -1673,14 +1673,21 @@ done:
EFI_STATUS init_grub(EFI_HANDLE image_handle) EFI_STATUS init_grub(EFI_HANDLE image_handle)
{ {
EFI_STATUS efi_status; EFI_STATUS efi_status;
int use_fb = should_use_fallback(image_handle);
if (should_use_fallback(image_handle)) efi_status = start_image(image_handle, use_fb ? FALLBACK :second_stage);
efi_status = start_image(image_handle, FALLBACK);
else
efi_status = start_image(image_handle, second_stage);
if (efi_status != EFI_SUCCESS) if (efi_status == EFI_SECURITY_VIOLATION) {
efi_status = start_image(image_handle, MOK_MANAGER); efi_status = start_image(image_handle, MOK_MANAGER);
if (efi_status != EFI_SUCCESS) {
Print(L"start_image() returned %r\n", efi_status);
uefi_call_wrapper(BS->Stall, 1, 2000000);
return efi_status;
}
efi_status = start_image(image_handle,
use_fb ? FALLBACK : second_stage);
}
Print(L"start_image() returned %r\n", efi_status); Print(L"start_image() returned %r\n", efi_status);
uefi_call_wrapper(BS->Stall, 1, 2000000); uefi_call_wrapper(BS->Stall, 1, 2000000);