[U-Boot] [PATCH 1/1] efi_loader: error message if BootOrder not defined

[Heinrich Schuchardt]

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 at gmx.de>
---
 lib/efi_loader/efi_bootmgr.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/efi_loader/efi_bootmgr.c b/lib/efi_loader/efi_bootmgr.c
index 8bb84f888c1..15a06085364 100644
--- a/lib/efi_loader/efi_bootmgr.c
+++ b/lib/efi_loader/efi_bootmgr.c
@@ -180,8 +180,10 @@ void *efi_bootmgr_load(struct efi_device_path **device_path,
 	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++) {
-- 
2.20.1