powerpc/mpic: handle subsys_system_register() failure
mpic_init_sys() currently doesn't check whether subsys_system_register() succeeded or not. Check the return code of subsys_system_register() and clean up if there's an error. Signed-off-by:Andrew Donnellan <andrew.donnellan@au1.ibm.com> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au>
parent
2d521784
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