diff options
Diffstat (limited to 'lib/efi_loader/efi_bootmgr.c')
-rw-r--r-- | lib/efi_loader/efi_bootmgr.c | 55 |
1 files changed, 16 insertions, 39 deletions
diff --git a/lib/efi_loader/efi_bootmgr.c b/lib/efi_loader/efi_bootmgr.c index 25f5cebfdb6..1fe19237f9a 100644 --- a/lib/efi_loader/efi_bootmgr.c +++ b/lib/efi_loader/efi_bootmgr.c @@ -31,38 +31,6 @@ static const struct efi_runtime_services *rs; */ /** - * get_var() - get UEFI variable - * - * It is the caller's duty to free the returned buffer. - * - * @name: name of variable - * @vendor: vendor GUID of variable - * @size: size of allocated buffer - * Return: buffer with variable data or NULL - */ -static void *get_var(u16 *name, const efi_guid_t *vendor, - efi_uintn_t *size) -{ - efi_status_t ret; - void *buf = NULL; - - *size = 0; - ret = efi_get_variable_int(name, vendor, NULL, size, buf, NULL); - if (ret == EFI_BUFFER_TOO_SMALL) { - buf = malloc(*size); - ret = efi_get_variable_int(name, vendor, NULL, size, buf, NULL); - } - - if (ret != EFI_SUCCESS) { - free(buf); - *size = 0; - return NULL; - } - - return buf; -} - -/** * try_load_entry() - try to load image for boot option * * Attempt to load load-option number 'n', returning device_path and file_path @@ -89,7 +57,7 @@ static efi_status_t try_load_entry(u16 n, efi_handle_t *handle, varname[6] = hexmap[(n & 0x00f0) >> 4]; varname[7] = hexmap[(n & 0x000f) >> 0]; - load_option = get_var(varname, &efi_global_variable_guid, &size); + load_option = efi_get_var(varname, &efi_global_variable_guid, &size); if (!load_option) return EFI_LOAD_ERROR; @@ -118,11 +86,13 @@ static efi_status_t try_load_entry(u16 n, efi_handle_t *handle, ret = efi_set_variable_int(L"BootCurrent", &efi_global_variable_guid, attributes, sizeof(n), &n, false); - if (ret != EFI_SUCCESS) { - if (EFI_CALL(efi_unload_image(*handle)) - != EFI_SUCCESS) - log_err("Unloading image failed\n"); - goto error; + if (ret != EFI_SUCCESS) + goto unload; + /* try to register load file2 for initrd's */ + if (IS_ENABLED(CONFIG_EFI_LOAD_FILE2_INITRD)) { + ret = efi_initrd_register(); + if (ret != EFI_SUCCESS) + goto unload; } log_info("Booting: %ls\n", lo.label); @@ -147,6 +117,13 @@ error: free(load_option); return ret; + +unload: + if (EFI_CALL(efi_unload_image(*handle)) != EFI_SUCCESS) + log_err("Unloading image failed\n"); + free(load_option); + + return ret; } /** @@ -201,7 +178,7 @@ efi_status_t efi_bootmgr_load(efi_handle_t *handle, void **load_options) } /* BootOrder */ - bootorder = get_var(L"BootOrder", &efi_global_variable_guid, &size); + bootorder = efi_get_var(L"BootOrder", &efi_global_variable_guid, &size); if (!bootorder) { log_info("BootOrder not defined\n"); ret = EFI_NOT_FOUND; |