On Thu, Oct 22, 2015 at 02:00:51PM +0800, Baoquan He wrote:
> 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 implementation, and we can judge if calling is successfull by
> if (!parse_ioapics_under_ir()) style.
>
> Signed-off-by: Baoquan He <b...@redhat.com>
Applied thanks. I also put below patch on-top to also propate the error
value returned from ir_parse_ioapic_hpet_scope().
>From 66ef950d1841487c852d68d00977726f1cd9f053 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <jroe...@suse.de>
Date: Fri, 23 Oct 2015 11:57:13 +0200
Subject: [PATCH] iommu/vt-d: Propagate error-value from
ir_parse_ioapic_hpet_scope()
Propagate the error-value from the function ir_parse_ioapic_hpet_scope()
in parse_ioapics_under_ir() and cleanup its calling loop.
Signed-off-by: Joerg Roedel <jroe...@suse.de>
---
drivers/iommu/intel_irq_remapping.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/drivers/iommu/intel_irq_remapping.c
b/drivers/iommu/intel_irq_remapping.c
index 7843252..f3a9bd1 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -934,13 +934,18 @@ static int __init parse_ioapics_under_ir(void)
bool ir_supported = false;
int ioapic_idx;
- for_each_iommu(iommu, drhd)
- if (ecap_ir_support(iommu->ecap)) {
- if (ir_parse_ioapic_hpet_scope(drhd->hdr, iommu))
- return -1;
+ for_each_iommu(iommu, drhd) {
+ int ret;
- ir_supported = true;
- }
+ if (!ecap_ir_support(iommu->ecap))
+ continue;
+
+ ret = ir_parse_ioapic_hpet_scope(drhd->hdr, iommu);
+ if (ret)
+ return ret;
+
+ ir_supported = true;
+ }
if (!ir_supported)
return -ENODEV;
--
1.8.4.5
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
