diff options
Diffstat (limited to 'lib/efi_loader/efi_boottime.c')
| -rw-r--r-- | lib/efi_loader/efi_boottime.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c index 86cb9ba479a..6bd64b9df9c 100644 --- a/lib/efi_loader/efi_boottime.c +++ b/lib/efi_loader/efi_boottime.c @@ -1854,6 +1854,10 @@ static efi_status_t EFIAPI efi_exit_boot_services(efi_handle_t image_handle, EFI_ENTRY("%p, %ld", image_handle, map_key); + /* Check that the caller has read the current memory map */ + if (map_key != efi_memory_map_key) + return EFI_INVALID_PARAMETER; + /* Make sure that notification functions are not called anymore */ efi_tpl = TPL_HIGH_LEVEL; |