usb: xhci: trace URB before giving it back instead of after

Don't access any members of a URB after giving it back.
URB might be freed by then already.

Signed-off-by: Mathias Nyman <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 74bf5c6..507ba77 100644 (file)
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -641,8 +641,8 @@ static void xhci_giveback_urb_in_irq(struct xhci_hcd *xhci,
        xhci_urb_free_priv(urb_priv);
        usb_hcd_unlink_urb_from_ep(hcd, urb);
        spin_unlock(&xhci->lock);
-       usb_hcd_giveback_urb(hcd, urb, status);
        trace_xhci_urb_giveback(urb);
+       usb_hcd_giveback_urb(hcd, urb, status);
        spin_lock(&xhci->lock);
 }