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efi_loader: ensure that file ubootefi.var is created

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Currently file ubootefi.var is only created if the user sets a non-volatile
EFI variable. If the file is missing, a warning is written.

With the change PlatformLang is always persisted. So the file will exist on
second boot.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Heinrich Schuchardt
2023-01-19 14:49:33 +01:00
parent e585b79ee4
commit 90c420509e
1 changed files with 5 additions and 3 deletions
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8
lib/efi_loader/efi_variable.c
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@@ -334,9 +334,11 @@ efi_status_t efi_set_variable_int(const u16 *variable_name,
else
ret = EFI_SUCCESS;
/* Write non-volatile EFI variables to file */
if (attributes & EFI_VARIABLE_NON_VOLATILE &&
ret == EFI_SUCCESS && efi_obj_list_initialized == EFI_SUCCESS)
/*
* Write non-volatile EFI variables to file
* TODO: check if a value change has occured to avoid superfluous writes
*/
if (attributes & EFI_VARIABLE_NON_VOLATILE)
efi_var_to_file();
return EFI_SUCCESS;