diff options
| -rw-r--r-- | include/efi_api.h | 2 | ||||
| -rw-r--r-- | lib/efi_loader/efi_runtime.c | 6 |
2 files changed, 8 insertions, 0 deletions
diff --git a/include/efi_api.h b/include/efi_api.h index 759d9118758..5744f6aed86 100644 --- a/include/efi_api.h +++ b/include/efi_api.h @@ -251,6 +251,8 @@ struct efi_rt_properties_table { u32 runtime_services_supported; }; +#define EFI_OPTIONAL_PTR 0x00000001 + struct efi_runtime_services { struct efi_table_hdr hdr; efi_status_t (EFIAPI *get_time)(struct efi_time *time, diff --git a/lib/efi_loader/efi_runtime.c b/lib/efi_loader/efi_runtime.c index 45baa2fd3ec..a4aa1d8b6c0 100644 --- a/lib/efi_loader/efi_runtime.c +++ b/lib/efi_loader/efi_runtime.c @@ -512,6 +512,12 @@ efi_convert_pointer(efi_uintn_t debug_disposition, void **address) ret = EFI_INVALID_PARAMETER; goto out; } + if (!*address) { + if (debug_disposition & EFI_OPTIONAL_PTR) + return EFI_SUCCESS; + else + return EFI_INVALID_PARAMETER; + } addr = (uintptr_t)*address; for (i = 0; i < efi_descriptor_count; i++) { |