pci_iov: Add a device_printf if out of bus numbers

Reviewed by: imp MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D20591
bsdjhb · Sep 25, 2024 · 6a4f0c0 · 6a4f0c0
1 parent 36a0019
commit 6a4f0c0
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/sys/dev/pci/pci_iov.c b/sys/dev/pci/pci_iov.c
@@ -736,6 +736,7 @@ pci_iov_config(struct cdev *cdev, struct pci_iov_arg *arg)
 
 	/* We don't yet support allocating extra bus numbers for VFs. */
 	if (pci_get_bus(dev) != PCI_RID2BUS(last_rid)) {
+		device_printf(dev, "not enough PCIe bus numbers for VFs\n");
 		error = ENOSPC;
 		goto out;
 	}