efi_loader: error message if BootOrder not defined
For booting via `bootefi bootmgr` it is necessary that the EFI variable
BootOrder is defined. Provide a diagnostic message if the variable is
missing.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/lib/efi_loader/efi_bootmgr.c b/lib/efi_loader/efi_bootmgr.c
index 196116b..f4b1889 100644
--- a/lib/efi_loader/efi_bootmgr.c
+++ b/lib/efi_loader/efi_bootmgr.c
@@ -184,8 +184,10 @@
rs = systab.runtime;
bootorder = get_var(L"BootOrder", &efi_global_variable_guid, &size);
- if (!bootorder)
+ if (!bootorder) {
+ printf("BootOrder not defined\n");
goto error;
+ }
num = size / sizeof(uint16_t);
for (i = 0; i < num; i++) {