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openSUSE:Leap:15.2:Rings:1-MinimalX
qemu
intel_iommu-a-fix-to-vtd_find_as_from_bu.patch
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File intel_iommu-a-fix-to-vtd_find_as_from_bu.patch of Package qemu
From: Liu Yi L <yi.l.liu@intel.com> Date: Fri, 3 Jan 2020 21:28:05 +0800 Subject: intel_iommu: a fix to vtd_find_as_from_bus_num() Git-commit: a2e1cd41ccfe796529abfd1b6aeb1dd4393762a2 Ensure the return value of vtd_find_as_from_bus_num() is NULL by enforcing vtd_bus=NULL. This would help caller of vtd_find_as_from_bus_num() to decide if any further operation on the returned vtd_bus. Cc: qemu-stable@nongnu.org Cc: Kevin Tian <kevin.tian@intel.com> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com> Cc: Peter Xu <peterx@redhat.com> Cc: Yi Sun <yi.y.sun@linux.intel.com> Signed-off-by: Liu Yi L <yi.l.liu@intel.com> Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com> Message-Id: <1578058086-4288-2-git-send-email-yi.l.liu@intel.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Bruce Rogers <brogers@suse.com> --- hw/i386/intel_iommu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 43c94b993b4ab591067676ed022a..00ebae4863cf7e49368779bd1fc4 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -948,6 +948,7 @@ static VTDBus *vtd_find_as_from_bus_num(IntelIOMMUState *s, uint8_t bus_num) return vtd_bus; } } + vtd_bus = NULL; } return vtd_bus; }
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