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iommu/vt-d: Adjust the return value of the parse_ioapics_under_ir
Adjust the return value of parse_ioapics_under_ir as negative value representing failure and "0" representing succcess. Just make it consistent with other function implementations, and we can judge if calling is successfull by if (!parse_ioapics_under_ir()) style. Signed-off-by: Baoquan He <bhe@redhat.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
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@ -690,7 +690,7 @@ static int __init intel_prepare_irq_remapping(void)
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if (!dmar_ir_support())
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return -ENODEV;
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if (parse_ioapics_under_ir() != 1) {
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if (!parse_ioapics_under_ir()) {
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pr_info("Not enabling interrupt remapping\n");
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goto error;
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}
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@ -943,7 +943,7 @@ static int __init parse_ioapics_under_ir(void)
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}
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if (!ir_supported)
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return 0;
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return -ENODEV;
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for (ioapic_idx = 0; ioapic_idx < nr_ioapics; ioapic_idx++) {
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int ioapic_id = mpc_ioapic_id(ioapic_idx);
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@ -955,7 +955,7 @@ static int __init parse_ioapics_under_ir(void)
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}
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}
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return 1;
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return 0;
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}
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static int __init ir_dev_scope_init(void)
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