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efi_loader: error message if BootOrder not defined

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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>
This commit is contained in:
Heinrich Schuchardt 2019-02-24 04:44:48 +01:00
parent afd46c5f13
commit 33e44971a2
1 changed files with 3 additions and 1 deletions
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4
lib/efi_loader/efi_bootmgr.c
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@ -184,8 +184,10 @@ 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++) {