Author: delphij
Date: Mon Aug 30 21:33:33 2010
New Revision: 212028
URL: http://svn.freebsd.org/changeset/base/212028
Log:
Drain watchdog callouts before detaching. This prevents a panic while
unloading the kernel module.
Submitted by: Tom Cough
Modified:
head/sys/dev/twa/tw_osl_freebsd.c
Modified: head/sys/dev/twa/tw_osl_freebsd.c
==============================================================================
--- head/sys/dev/twa/tw_osl_freebsd.c Mon Aug 30 21:20:24 2010
(r212027)
+++ head/sys/dev/twa/tw_osl_freebsd.c Mon Aug 30 21:33:33 2010
(r212028)
@@ -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",
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