[src-draft/trunk]: src/sys/dev/usb Check if device has stopped so not to sche...

[Nathanial Sloss <nat%netbsd.org@localhost>]

details:   https://anonhg.NetBSD.org/src-all/rev/61ab932b5a1a
branches:  trunk
changeset: 371094:61ab932b5a1a
user:      Nathanial Sloss <nat%netbsd.org@localhost>
date:      Fri Jan 07 00:53:56 2022 +1100

description:
Check if device has stopped so not to schedule more transfers.

diffstat:

 sys/dev/usb/usbwifi.c |  3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diffs (13 lines):

diff -r 16f524acd545 -r 61ab932b5a1a sys/dev/usb/usbwifi.c
--- a/sys/dev/usb/usbwifi.c     Fri Jan 07 00:52:46 2022 +1100
+++ b/sys/dev/usb/usbwifi.c     Fri Jan 07 00:53:56 2022 +1100
@@ -794,6 +794,9 @@
            uwp->uwp_number, s_chain->uwscd_tx_cnt, uw->uw_tx_list_cnt, 0);
 
        while (s_chain->uwscd_tx_cnt < uw->uw_tx_list_cnt) {
+               if (uwp->uwp_dying || uwp->uwp_stopping)
+                       break;
+
                IFQ_POLL(&uwp->uwp_sendq[prio], m);
                if (m == NULL)
                        break;