diff --git a/sys/compat/linuxkpi/common/src/linux_pci.c b/sys/compat/linuxkpi/common/src/linux_pci.c
--- a/sys/compat/linuxkpi/common/src/linux_pci.c
+++ b/sys/compat/linuxkpi/common/src/linux_pci.c
@@ -931,6 +931,11 @@
 			return (pdev->dev.irq_end - pdev->dev.irq_start);
 	}
 	if (flags & PCI_IRQ_MSI) {
+		if (pci_msi_count(pdev->dev.bsddev) < minv)
+			return (-ENOSPC);
+		/* We only support 1 vector in pci_enable_msi() */
+		if (1 < minv)
+			return (-ENOSPC);
 		error = pci_enable_msi(pdev);
 		if (error == 0 && pdev->msi_enabled)
 			return (pdev->dev.irq_end - pdev->dev.irq_start);