D37522.diff
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	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 (minv != 1)
	+ return (-ENOSPC);
	error = pci_enable_msi(pdev);
	if (error == 0 && pdev->msi_enabled)
	return (pdev->dev.irq_end - pdev->dev.irq_start);