xhci: dbc: add dbgtty request to end of list once it completes

Make sure we move the requests from the read_queue to the end of the
read_pool list, avoiding looping and using the same one request all
the time.

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240905143300.1959279-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/xhci-dbgtty.c b/drivers/usb/host/xhci-dbgtty.c
index b74e98e94393262c6e7fb27149975598b5f998ea..5e567b3eb4d91dbd97b3f70f339dd1903e6e3013 100644 (file)
--- a/drivers/usb/host/xhci-dbgtty.c
+++ b/drivers/usb/host/xhci-dbgtty.c
@@ -346,7 +346,7 @@ static void dbc_rx_push(struct tasklet_struct *t)
                        port->n_read = 0;
                }
 
-               list_move(&req->list_pool, &port->read_pool);
+               list_move_tail(&req->list_pool, &port->read_pool);
        }
 
        if (do_push)