Check only if irq domains are available.

Signed-off-by: Mian Yousaf Kaukab <[email protected]>
---
 drivers/vfio/vfio_iommu_type1.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index bd6f293c4ebd..e3ed50e40ead 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -1287,8 +1287,9 @@ static int vfio_iommu_type1_attach_group(void *iommu_data,
        INIT_LIST_HEAD(&domain->group_list);
        list_add(&group->next, &domain->group_list);
 
-       msi_remap = resv_msi ? irq_domain_check_msi_remap() :
-                               iommu_capable(bus, IOMMU_CAP_INTR_REMAP);
+       msi_remap = resv_msi && IS_ENABLED(CONFIG_IRQ_DOMAIN) ?
+                       irq_domain_check_msi_remap() :
+                       iommu_capable(bus, IOMMU_CAP_INTR_REMAP);
 
        if (!allow_unsafe_interrupts && !msi_remap) {
                pr_warn("%s: No interrupt remapping support.  Use the module 
param \"allow_unsafe_interrupts\" to enable VFIO IOMMU support on this 
platform\n",
-- 
2.11.0

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