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Diffstat (limited to 'hw/xen/xen_pt_config_init.c')
-rw-r--r--hw/xen/xen_pt_config_init.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/hw/xen/xen_pt_config_init.c b/hw/xen/xen_pt_config_init.c
index 47f9010c75..9fd953a689 100644
--- a/hw/xen/xen_pt_config_init.c
+++ b/hw/xen/xen_pt_config_init.c
@@ -300,7 +300,9 @@ static int xen_pt_irqpin_reg_init(XenPCIPassthroughState *s,
XenPTRegInfo *reg, uint32_t real_offset,
uint32_t *data)
{
- *data = xen_pt_pci_read_intx(s);
+ if (s->real_device.irq) {
+ *data = xen_pt_pci_read_intx(s);
+ }
return 0;
}