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From: Kip Macy <kmacy@FreeBSD.org>
Date: Sun, 21 Feb 2010 01:12:18 +0000 (UTC)
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Subject: svn commit: r204159 - head/sys/xen/evtchn
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Author: kmacy
Date: Sun Feb 21 01:12:18 2010
New Revision: 204159
URL: http://svn.freebsd.org/changeset/base/204159

Log:
  don't hold spin lock across free

Modified:
  head/sys/xen/evtchn/evtchn_dev.c

Modified: head/sys/xen/evtchn/evtchn_dev.c
==============================================================================
--- head/sys/xen/evtchn/evtchn_dev.c	Sun Feb 21 01:11:39 2010	(r204158)
+++ head/sys/xen/evtchn/evtchn_dev.c	Sun Feb 21 01:12:18 2010	(r204159)
@@ -302,11 +302,11 @@ evtchn_close(struct cdev *dev, int flag,
 {
 	int i;
 
-	mtx_lock_spin(&lock);
 	if (ring != NULL) {
 		free(ring, M_DEVBUF);
 		ring = NULL;
 	}
+	mtx_lock_spin(&lock);
 	for ( i = 0; i < NR_EVENT_CHANNELS; i++ )
 		if ( synch_test_and_clear_bit(i, &bound_ports[0]) )
 			mask_evtchn(i);