diff options
Diffstat (limited to 'lib/efi_loader/efi_capsule.c')
| -rw-r--r-- | lib/efi_loader/efi_capsule.c | 51 |
1 files changed, 33 insertions, 18 deletions
diff --git a/lib/efi_loader/efi_capsule.c b/lib/efi_loader/efi_capsule.c index 850937f..8301eed 100644 --- a/lib/efi_loader/efi_capsule.c +++ b/lib/efi_loader/efi_capsule.c @@ -1037,30 +1037,45 @@ efi_status_t __weak efi_load_capsule_drivers(void) } /** - * check_run_capsules - Check whether capsule update should run + * check_run_capsules() - check whether capsule update should run * * The spec says OsIndications must be set in order to run the capsule update * on-disk. Since U-Boot doesn't support runtime SetVariable, allow capsules to * run explicitly if CONFIG_EFI_IGNORE_OSINDICATIONS is selected + * + * Return: EFI_SUCCESS if update to run, EFI_NOT_FOUND otherwise */ -static bool check_run_capsules(void) +static efi_status_t check_run_capsules(void) { u64 os_indications; efi_uintn_t size; - efi_status_t ret; - - if (IS_ENABLED(CONFIG_EFI_IGNORE_OSINDICATIONS)) - return true; + efi_status_t r; 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 - & EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED)) - return true; - - return false; + r = efi_get_variable_int(L"OsIndications", &efi_global_variable_guid, + NULL, &size, &os_indications, NULL); + if (r != EFI_SUCCESS || size != sizeof(os_indications)) + return EFI_NOT_FOUND; + + if (os_indications & + EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED) { + os_indications &= + ~EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED; + r = 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 (r != EFI_SUCCESS) + log_err("Setting %ls failed\n", L"OsIndications"); + return EFI_SUCCESS; + } else if (IS_ENABLED(CONFIG_EFI_IGNORE_OSINDICATIONS)) { + return EFI_SUCCESS; + } else { + return EFI_NOT_FOUND; + } } /** @@ -1078,7 +1093,7 @@ efi_status_t efi_launch_capsules(void) unsigned int nfiles, index, i; efi_status_t ret; - if (!check_run_capsules()) + if (check_run_capsules() != EFI_SUCCESS) return EFI_SUCCESS; index = get_last_capsule(); @@ -1108,13 +1123,13 @@ efi_status_t efi_launch_capsules(void) log_err("Applying capsule %ls failed\n", files[i]); + /* create CapsuleXXXX */ + set_capsule_result(index, capsule, ret); + free(capsule); } else { log_err("Reading capsule %ls failed\n", files[i]); } - /* create CapsuleXXXX */ - set_capsule_result(index, capsule, ret); - /* delete a capsule either in case of success or failure */ ret = efi_capsule_delete_file(files[i]); if (ret != EFI_SUCCESS) |