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[src-draft/trunk]: src/sys/dev/usb Wait for device to sync after freeing xfers.



details:   https://anonhg.NetBSD.org/src-all/rev/c7c746603e77
branches:  trunk
changeset: 375002:c7c746603e77
user:      Nathanial Sloss <nat%netbsd.org@localhost>
date:      Sun Aug 16 10:07:55 2020 +1000

description:
Wait for device to sync after freeing xfers.

diffstat:

 sys/dev/usb/if_urtwn.c |  2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diffs (19 lines):

diff -r 599db0eba4c1 -r c7c746603e77 sys/dev/usb/if_urtwn.c
--- a/sys/dev/usb/if_urtwn.c    Sun Aug 16 10:07:12 2020 +1000
+++ b/sys/dev/usb/if_urtwn.c    Sun Aug 16 10:07:55 2020 +1000
@@ -5834,6 +5834,7 @@ urtwn_stop(struct ifnet *ifp, int disabl
                        usbd_abort_pipe(sc->tx_pipe[i]);
        }
        mutex_exit(&sc->sc_tx_mtx);
+       urtwn_wait_async(sc);
 
        mutex_enter(&sc->sc_rx_mtx);
        /* Stop Rx pipe. */
@@ -5842,6 +5843,7 @@ urtwn_stop(struct ifnet *ifp, int disabl
                        usbd_abort_pipe(sc->rx_pipe[i]);
        }
        mutex_exit(&sc->sc_rx_mtx);
+       urtwn_wait_async(sc);
 
        sc->sc_running = false;
        if (disable)



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