The log category must be LOG_CATEGORY LOGC_EFI.

efi_set_variable() should be called with EFI_CALL(). Use
efi_set_variable_int() instead.

A log text "Updating ..." if SetVariable() fails does not make sense for a
variable that is not required to be preexisting.

Flag EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED must be reset in
variable OsIndications.

Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
---
 lib/efi_loader/efi_capsule.c | 38 +++++++++++++++++++++++++++++-------
 1 file changed, 31 insertions(+), 7 deletions(-)

diff --git a/lib/efi_loader/efi_capsule.c b/lib/efi_loader/efi_capsule.c
index 60309d4a07..f7c0c5725f 100644
--- a/lib/efi_loader/efi_capsule.c
+++ b/lib/efi_loader/efi_capsule.c
@@ -6,6 +6,8 @@
  *                     Author: AKASHI Takahiro
  */

+#define LOG_CATEGORY LOGC_EFI
+
 #include <common.h>
 #include <efi_loader.h>
 #include <efi_variable.h>
@@ -84,6 +86,8 @@ void set_capsule_result(int index, struct efi_capsule_header 
*capsule,
        struct efi_capsule_result_variable_header result;
        struct efi_time time;
        efi_status_t ret;
+       efi_uintn_t size;
+       u64 os_indications;

        efi_create_indexed_name(variable_name16, sizeof(variable_name16),
                                "Capsule", index);
@@ -95,13 +99,33 @@ void set_capsule_result(int index, struct 
efi_capsule_header *capsule,
        else
                memset(&result.capsule_processed, 0, sizeof(time));
        result.capsule_status = return_status;
-       ret = efi_set_variable(variable_name16, &efi_guid_capsule_report,
-                              EFI_VARIABLE_NON_VOLATILE |
-                              EFI_VARIABLE_BOOTSERVICE_ACCESS |
-                              EFI_VARIABLE_RUNTIME_ACCESS,
-                              sizeof(result), &result);
-       if (ret)
-               log_err("EFI: creating %ls failed\n", variable_name16);
+       ret = efi_set_variable_int(variable_name16, &efi_guid_capsule_report,
+                                  EFI_VARIABLE_NON_VOLATILE |
+                                  EFI_VARIABLE_BOOTSERVICE_ACCESS |
+                                  EFI_VARIABLE_RUNTIME_ACCESS,
+                                  sizeof(result), &result, false);
+       if (ret != EFI_SUCCESS)
+               log_err("Setting %ls failed\n", variable_name16);
+
+       if (return_status != EFI_SUCCESS)
+               return;
+
+       size = sizeof(os_indications);
+       ret = efi_get_variable_int(L"OsIndications", &efi_global_variable_guid,
+                                  NULL, &size, &os_indications, NULL);
+       if (ret != EFI_SUCCESS)
+               os_indications = 0;
+       else
+               os_indications &=
+                       ~EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED;
+       ret = efi_set_variable_int(L"OsIndications", &efi_global_variable_guid,
+                                  EFI_VARIABLE_NON_VOLATILE |
+                                  EFI_VARIABLE_BOOTSERVICE_ACCESS |
+                                  EFI_VARIABLE_RUNTIME_ACCESS,
+                                  sizeof(os_indications), &os_indications,
+                                  false);
+       if (ret != EFI_SUCCESS)
+               log_err("Setting %ls failed\n", L"OsIndications");
 }

 #ifdef CONFIG_EFI_CAPSULE_FIRMWARE_MANAGEMENT
--
2.30.2

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