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intel-iommu: correct the value used for error_setg_errno()

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error_setg_errno() expects a normal errno value, not a negated
one, so we should use ENOTSUP instead of -ENOSUP.

Fixes: Coverity CID 1487174
Fixes: ("intel_iommu: support snoop control")
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20220401022824.9337-1-jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Jason Wang 2022-04-01 10:28:24 +08:00 committed by Michael S. Tsirkin
parent 06134e2bc3
commit 250227f4fa
1 changed files with 1 additions and 1 deletions
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2
hw/i386/intel_iommu.c
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@ -3032,7 +3032,7 @@ static int vtd_iommu_notify_flag_changed(IOMMUMemoryRegion *iommu,
/* TODO: add support for VFIO and vhost users */
if (s->snoop_control) {
error_setg_errno(errp, -ENOTSUP,
error_setg_errno(errp, ENOTSUP,
"Snoop Control with vhost or VFIO is not supported");
return -ENOTSUP;
}