From: Peter Xu <peterx@redhat.com>
Date: Mon, 31 Oct 2016 07:34:40 +0000 (+0800)
Subject: intel_iommu: fix incorrect assert
X-Git-Tag: qemu-xen-4.9.0-rc1~59^2~22
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=8e7a0a1616faa852d65427bbbb6296dffb38990d;p=qemu-xen.git

intel_iommu: fix incorrect assert

Reported-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---

diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 20c4d2c3b7..1b706adf9d 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -2463,7 +2463,7 @@ static AddressSpace *vtd_host_dma_iommu(PCIBus *bus, void *opaque, int devfn)
     IntelIOMMUState *s = opaque;
     VTDAddressSpace *vtd_as;
 
-    assert(0 <= devfn && devfn <= X86_IOMMU_PCI_DEVFN_MAX);
+    assert(0 <= devfn && devfn < X86_IOMMU_PCI_DEVFN_MAX);
 
     vtd_as = vtd_find_add_as(s, bus, devfn);
     return &vtd_as->as;