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path: root/lib/efi_loader/efi_tcg2.c
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Diffstat (limited to 'lib/efi_loader/efi_tcg2.c')
-rw-r--r--lib/efi_loader/efi_tcg2.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/efi_loader/efi_tcg2.c b/lib/efi_loader/efi_tcg2.c
index bdfd9a37b5..59bce85028 100644
--- a/lib/efi_loader/efi_tcg2.c
+++ b/lib/efi_loader/efi_tcg2.c
@@ -972,6 +972,9 @@ efi_status_t tcg2_measure_pe_image(void *efi, u64 efi_size,
IMAGE_NT_HEADERS32 *nt;
struct efi_handler *handler;
+ if (!is_tcg2_protocol_installed())
+ return EFI_SUCCESS;
+
ret = platform_get_tpm2_device(&dev);
if (ret != EFI_SUCCESS)
return ret;
@@ -2189,6 +2192,9 @@ efi_status_t efi_tcg2_measure_efi_app_invocation(struct efi_loaded_image_obj *ha
u32 event = 0;
struct smbios_entry *entry;
+ if (!is_tcg2_protocol_installed())
+ return EFI_SUCCESS;
+
if (tcg2_efi_app_invoked)
return EFI_SUCCESS;
@@ -2239,6 +2245,9 @@ efi_status_t efi_tcg2_measure_efi_app_exit(void)
efi_status_t ret;
struct udevice *dev;
+ if (!is_tcg2_protocol_installed())
+ return EFI_SUCCESS;
+
ret = platform_get_tpm2_device(&dev);
if (ret != EFI_SUCCESS)
return ret;
@@ -2264,6 +2273,12 @@ efi_tcg2_notify_exit_boot_services(struct efi_event *event, void *context)
EFI_ENTRY("%p, %p", event, context);
event_log.ebs_called = true;
+
+ if (!is_tcg2_protocol_installed()) {
+ ret = EFI_SUCCESS;
+ goto out;
+ }
+
ret = platform_get_tpm2_device(&dev);
if (ret != EFI_SUCCESS)
goto out;
@@ -2293,6 +2308,9 @@ efi_status_t efi_tcg2_notify_exit_boot_services_failed(void)
struct udevice *dev;
efi_status_t ret;
+ if (!is_tcg2_protocol_installed())
+ return EFI_SUCCESS;
+
ret = platform_get_tpm2_device(&dev);
if (ret != EFI_SUCCESS)
goto out;