3 files changed, 7 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index d7654f475daf..937ce5fd5809 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1872,7 +1872,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
 
 	cancel_delayed_work_sync(&xhci->cmd_timer);
 
-	for (i = 0; i < xhci->max_interrupters; i++) {
+	for (i = 0; xhci->interrupters && i < xhci->max_interrupters; i++) {
 		if (xhci->interrupters[i]) {
 			xhci_remove_interrupter(xhci, xhci->interrupters[i]);
 			xhci_free_interrupter(xhci, xhci->interrupters[i]);
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index b7517c3c8059..4ea2c3e072a9 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2910,6 +2910,7 @@ static int handle_tx_event(struct xhci_hcd *xhci,
 		process_isoc_td(xhci, ep, ep_ring, td, ep_trb, event);
 	else
 		process_bulk_intr_td(xhci, ep, ep_ring, td, ep_trb, event);
+	return 0;
 
 check_endpoint_halted:
 	if (xhci_halted_host_endpoint(ep_ctx, trb_comp_code))
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 0a8cf6c17f82..efdf4c228b8c 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -2837,7 +2837,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci,
 				xhci->num_active_eps);
 		return -ENOMEM;
 	}
-	if ((xhci->quirks & XHCI_SW_BW_CHECKING) &&
+	if ((xhci->quirks & XHCI_SW_BW_CHECKING) && !ctx_change &&
 	    xhci_reserve_bandwidth(xhci, virt_dev, command->in_ctx)) {
 		if ((xhci->quirks & XHCI_EP_LIMIT_QUIRK))
 			xhci_free_host_resources(xhci, ctrl_ctx);
@@ -4200,8 +4200,10 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev,
 		mutex_unlock(&xhci->mutex);
 		ret = xhci_disable_slot(xhci, udev->slot_id);
 		xhci_free_virt_device(xhci, udev->slot_id);
-		if (!ret)
-			xhci_alloc_dev(hcd, udev);
+		if (!ret) {
+			if (xhci_alloc_dev(hcd, udev) == 1)
+				xhci_setup_addressable_virt_dev(xhci, udev);
+		}
 		kfree(command->completion);
 		kfree(command);
 		return -EPROTO;