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Use callout_halt and usb_rem_task_wait in axen(4).

This commit is contained in:
riastradh 2018-07-29 02:00:38 +00:00
parent 2c8485d70d
commit 296b1afb7d
1 changed files with 5 additions and 7 deletions
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12
sys/dev/usb/if_axen.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_axen.c,v 1.14 2018/07/20 16:38:42 martin Exp $ */
/* $NetBSD: if_axen.c,v 1.15 2018/07/29 02:00:38 riastradh Exp $ */
/* $OpenBSD: if_axen.c,v 1.3 2013/10/21 10:10:22 yuo Exp $ */
/*
@ -23,7 +23,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_axen.c,v 1.14 2018/07/20 16:38:42 martin Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_axen.c,v 1.15 2018/07/29 02:00:38 riastradh Exp $");
#ifdef _KERNEL_OPT
#include "opt_inet.h"
@ -827,11 +827,9 @@ axen_detach(device_t self, int flags)
sc->axen_dying = true;
/*
* Remove any pending tasks. They cannot be executing because they run
* in the same thread as detach.
*/
usb_rem_task(sc->axen_udev, &sc->axen_tick_task);
callout_halt(&sc->axen_stat_ch, NULL);
usb_rem_task_wait(sc->axen_udev, &sc->axen_tick_task,
USB_TASKQ_DRIVER);
s = splusb();