efi_loader: describe returning of control
Provide a sober description of how control can be returned by a UEFI
binary.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index 3103a50..1f598b3 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -2933,10 +2933,10 @@
ret = EFI_CALL(image_obj->entry(image_handle, &systab));
/*
- * Usually UEFI applications call Exit() instead of returning.
- * But because the world doesn't consist of ponies and unicorns,
- * we're happy to emulate that behavior on behalf of a payload
- * that forgot.
+ * Control is returned from a started UEFI image either by calling
+ * Exit() (where exit data can be provided) or by simply returning from
+ * the entry point. In the latter case call Exit() on behalf of the
+ * image.
*/
return EFI_CALL(systab.boottime->exit(image_handle, ret, 0, NULL));
}