diff options
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/bootefi.c | 36 |
1 files changed, 27 insertions, 9 deletions
diff --git a/cmd/bootefi.c b/cmd/bootefi.c index 15ee4af..d8ca4ed 100644 --- a/cmd/bootefi.c +++ b/cmd/bootefi.c @@ -39,29 +39,49 @@ void __weak allow_unaligned(void) /* * Set the load options of an image from an environment variable. * - * @loaded_image_info: the image - * @env_var: name of the environment variable + * @handle: the image handle + * @env_var: name of the environment variable + * Return: status code */ -static void set_load_options(struct efi_loaded_image *loaded_image_info, - const char *env_var) +static efi_status_t set_load_options(efi_handle_t handle, const char *env_var) { + struct efi_loaded_image *loaded_image_info; size_t size; const char *env = env_get(env_var); u16 *pos; + efi_status_t ret; + + ret = EFI_CALL(systab.boottime->open_protocol( + handle, + &efi_guid_loaded_image, + (void **)&loaded_image_info, + efi_root, NULL, + EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)); + if (ret != EFI_SUCCESS) + return EFI_INVALID_PARAMETER; loaded_image_info->load_options = NULL; loaded_image_info->load_options_size = 0; if (!env) - return; + goto out; + size = utf8_utf16_strlen(env) + 1; loaded_image_info->load_options = calloc(size, sizeof(u16)); if (!loaded_image_info->load_options) { printf("ERROR: Out of memory\n"); - return; + EFI_CALL(systab.boottime->close_protocol(handle, + &efi_guid_loaded_image, + efi_root, NULL)); + return EFI_OUT_OF_RESOURCES; } pos = loaded_image_info->load_options; utf8_utf16_strcpy(&pos, env); loaded_image_info->load_options_size = size * 2; + +out: + return EFI_CALL(systab.boottime->close_protocol(handle, + &efi_guid_loaded_image, + efi_root, NULL)); } /** @@ -212,9 +232,7 @@ static efi_status_t bootefi_run_prepare(const char *load_options_path, return ret; /* Transfer environment variable as load options */ - set_load_options(*loaded_image_infop, load_options_path); - - return 0; + return set_load_options((efi_handle_t)*image_objp, load_options_path); } /** |