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[Xen-changelog] [xen-unstable] ioemu: Add check for mapping MSI pirqs.

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Subject:	[Xen-changelog] [xen-unstable] ioemu: Add check for mapping MSI pirqs.
From:	Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date:	Thu, 03 Jul 2008 06:30:11 -0700
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# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1214988318 -3600
# Node ID dd3b693dd39aae7c6a03c8ced33679ba14d76043
# Parent  0076f6691b092d586615db830c25e01773c9fb81
ioemu: Add check for mapping MSI pirqs.
From: Haitao Shan <haitao.shan@xxxxxxxxx>
Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
---
 tools/ioemu/hw/pt-msi.c |    7 +++++++
 1 files changed, 7 insertions(+)

diff -r 0076f6691b09 -r dd3b693dd39a tools/ioemu/hw/pt-msi.c
--- a/tools/ioemu/hw/pt-msi.c   Wed Jul 02 09:44:09 2008 +0100
+++ b/tools/ioemu/hw/pt-msi.c   Wed Jul 02 09:45:18 2008 +0100
@@ -94,6 +94,13 @@ static int pt_msi_setup(struct pt_dev *d
         PT_LOG("error map msi\n");
         return -1;
     }
+
+    if ( pirq < 0 )
+    {
+        PT_LOG("invalid pirq number\n");
+        return -1;
+    }
+
     dev->msi->pirq = pirq;
     PT_LOG("msi mapped with pirq %x\n", pirq);
 

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