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Drain watchdog callouts before detaching. This prevents a panic while

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unloading the kernel module.

Submitted by:	Tom Cough
This commit is contained in:
Xin LI 2010-08-30 21:33:33 +00:00
parent a4703857ff
commit 08390ba4c9
1 changed files with 4 additions and 0 deletions
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4
sys/dev/twa/tw_osl_freebsd.c
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@ -903,6 +903,10 @@ twa_shutdown(device_t dev)
/* Disconnect interrupts. */
error = twa_teardown_intr(sc);
/* Stop watchdog task. */
callout_drain(&(sc->watchdog_callout[0]));
callout_drain(&(sc->watchdog_callout[1]));
/* Disconnect from the controller. */
if ((error = tw_cl_shutdown_ctlr(&(sc->ctlr_handle), 0))) {
tw_osli_printf(sc, "error = %d",