From: Baoquan He <bhe@redhat.com>
To: joro@8bytes.org
Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
Baoquan He <bhe@redhat.com>
Subject: [PATCH 1/2] iommu/vt-d: break the for loop if an empty ir_ioapic entry found
Date: Tue, 29 Sep 2015 15:26:08 +0800 [thread overview]
Message-ID: <1443511569-9187-1-git-send-email-bhe@redhat.com> (raw)
No need to continue the loop after it has been found.
Signed-off-by: Baoquan He <bhe@redhat.com>
---
drivers/iommu/intel_irq_remapping.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index 9ec4e0d..37b93f5 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -841,8 +841,10 @@ static int ir_parse_one_ioapic_scope(struct acpi_dmar_device_scope *scope,
if (ir_ioapic[count].iommu == iommu &&
ir_ioapic[count].id == scope->enumeration_id)
return 0;
- else if (ir_ioapic[count].iommu == NULL && free == -1)
+ else if (ir_ioapic[count].iommu == NULL && free == -1) {
free = count;
+ break;
+ }
}
if (free == -1) {
pr_warn("Exceeded Max IO APICS\n");
--
2.1.0
next reply other threads:[~2015-09-29 7:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-29 7:26 Baoquan He [this message]
2015-09-29 7:26 ` [PATCH 2/2] iommu/vt-d: Adjsut the return value of the parse_ioapics_under_ir Baoquan He
2015-09-29 13:55 ` Joerg Roedel
2015-09-29 13:50 ` [PATCH 1/2] iommu/vt-d: break the for loop if an empty ir_ioapic entry found Joerg Roedel
2015-09-29 15:04 ` Baoquan He
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