From a2f9548d05ca868eaea4c8c4ff80a33e4a622020 Mon Sep 17 00:00:00 2001
From: Ruslan Ermilov <ru@FreeBSD.org>
Date: Wed, 28 Sep 2005 09:27:46 +0000
Subject: [PATCH] Fix "taskqueue_drain with the following non-sleepable locks
 held" witness(9) warning on detach.

---
 sys/dev/wi/if_wi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/dev/wi/if_wi.c b/sys/dev/wi/if_wi.c
index a55bfb6035a..d8b6c315b9d 100644
--- a/sys/dev/wi/if_wi.c
+++ b/sys/dev/wi/if_wi.c
@@ -529,12 +529,12 @@ wi_detach(device_t dev)
 	sc->wi_gone |= !bus_child_present(dev);
 
 	wi_stop(ifp, 0);
+	WI_UNLOCK(sc);
 
 #if NBPFILTER > 0
 	bpfdetach(ifp);
 #endif
 	ieee80211_ifdetach(&sc->sc_ic);
-	WI_UNLOCK(sc);
 	bus_teardown_intr(dev, sc->irq, sc->wi_intrhand);
 	if_free(sc->sc_ifp);
 	wi_free(dev);