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efi_loader: loaded images cannot be started twice

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If an image already has been started, return EFI_INVALID_PARAMETER when
StartImage() is called for the same handle again.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt
2019-06-11 19:35:20 +02:00
parent 200000387c
commit 1d3e8dc792
1 changed files with 3 additions and 0 deletions
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3
lib/efi_loader/efi_boottime.c
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@@ -2863,6 +2863,9 @@ efi_status_t EFIAPI efi_start_image(efi_handle_t image_handle,
EFI_ENTRY("%p, %p, %p", image_handle, exit_data_size, exit_data);
/* Check parameters */
if (image_obj->header.type != EFI_OBJECT_TYPE_LOADED_IMAGE)
return EFI_EXIT(EFI_INVALID_PARAMETER);
ret = EFI_CALL(efi_open_protocol(image_handle, &efi_guid_loaded_image,
&info, NULL, NULL,
EFI_OPEN_PROTOCOL_GET_PROTOCOL));