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Heinrich Schuchardt authored
According to the UEFI spec InstallMultipleProtocolInterfaces() must check if a device path has already been installed. In this case it must return EFI_ALREADY_STARTED. Cf. UEFI SCT II 2.6 A (2017), 3.3.16 InstallMultipleProtocolInterfaces(), 5.1.3.16.1. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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