Index: sys/compat/linuxkpi/common/include/linux/pci.h
===================================================================
--- sys/compat/linuxkpi/common/include/linux/pci.h
+++ sys/compat/linuxkpi/common/include/linux/pci.h
@@ -211,6 +211,8 @@
 	struct device_driver		driver;
 	const struct pci_error_handlers       *err_handler;
 	bool				isdrm;
+	bool				bsd_has_bus_probe_return;
+	int				bsd_bus_probe_return;
 	int  (*bsd_iov_init)(device_t dev, uint16_t num_vfs,
 	    const nvlist_t *pf_config);
 	void  (*bsd_iov_uninit)(device_t dev);
Index: sys/compat/linuxkpi/common/src/linux_pci.c
===================================================================
--- sys/compat/linuxkpi/common/src/linux_pci.c
+++ sys/compat/linuxkpi/common/src/linux_pci.c
@@ -361,6 +361,9 @@
 	if (device_get_driver(dev) != &pdrv->bsddriver)
 		return (ENXIO);
 	device_set_desc(dev, pdrv->name);
+	/* 0 is a valid return so check the extra boolean to be set. */
+	if (pdrv->bsd_has_bus_probe_return)
+		return (pdrv->bsd_bus_probe_return);
 	return (BUS_PROBE_DEFAULT);
 }