usb: xhci: improve error message for targetless transfer event

Improve error message for unknown transfer event without a TRB, by also
printing the event code number. This removes the inevitable question;
"what was the unknown event code exactly?"

Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240626124835.1023046-13-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 7f40be2a3885eb11bd72159a04b2002e6c0ce003..d4e4c1c71f9019d3bd894b77ad384c730981d5e8 100644 (file)
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2582,8 +2582,8 @@ static int handle_transferless_tx_event(struct xhci_hcd *xhci, struct xhci_virt_
        case COMP_STOPPED_LENGTH_INVALID:
                break;
        default:
-               xhci_err(xhci, "ERROR Transfer event for unknown stream ring slot %u ep %u\n",
-                        ep->vdev->slot_id, ep->ep_index);
+               xhci_err(xhci, "Transfer event %u for unknown stream ring slot %u ep %u\n",
+                        trb_comp_code, ep->vdev->slot_id, ep->ep_index);
                return -ENODEV;
        }
        return 0;