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spapr: fix error reporting in xics_system_init() 

If the user explicitely asked for kernel-irqchip support and "xics-kvm"
initialization fails, we shouldn't fallback to emulated "xics" as we
do now. It is also awkward to print an error message when we have an
errp pointer argument.

Let's use the errp argument to report the error and let the caller decide.
This simplifies the code as we don't need a local Error * here.

Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Greg Kurz 2017-05-19 12:32:12 +02:00 committed by David Gibson
parent 249127d0df
commit 3d85885a1b
1 changed files with 6 additions and 7 deletions
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13
hw/ppc/spapr.c
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@ -128,18 +128,14 @@ static void xics_system_init(MachineState *machine, int nr_irqs, Error **errp)
sPAPRMachineState *spapr = SPAPR_MACHINE(machine);
if (kvm_enabled()) {
Error *err = NULL;
if (machine_kernel_irqchip_allowed(machine) &&
!xics_kvm_init(spapr, errp)) {
spapr->icp_type = TYPE_KVM_ICP;
spapr->ics = spapr_ics_create(spapr, TYPE_ICS_KVM, nr_irqs, &err);
spapr->ics = spapr_ics_create(spapr, TYPE_ICS_KVM, nr_irqs, errp);
}
if (machine_kernel_irqchip_required(machine) && !spapr->ics) {
error_reportf_err(err,
"kernel_irqchip requested but unavailable: ");
} else {
error_free(err);
error_prepend(errp, "kernel_irqchip requested but unavailable: ");
return;
}
}
@ -147,6 +143,9 @@ static void xics_system_init(MachineState *machine, int nr_irqs, Error **errp)
xics_spapr_init(spapr);
spapr->icp_type = TYPE_ICP;
spapr->ics = spapr_ics_create(spapr, TYPE_ICS_SIMPLE, nr_irqs, errp);
if (!spapr->ics) {
return;
}
}
}