From ae0893a33963c3f89e4889ba46af05bc0d7c001b Mon Sep 17 00:00:00 2001
From: Damien Bergamini <damien@cvs.openbsd.org>
Date: Fri, 18 Mar 2005 13:53:32 +0000
Subject: close pipes and free tx/rx lists in detach(). this avoids some of the
 panics observed when detaching the device while the interface is up.

---
 sys/dev/usb/if_ral.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'sys/dev')

diff --git a/sys/dev/usb/if_ral.c b/sys/dev/usb/if_ral.c
index ae7d2f4a07e..52cfffbc901 100644
--- a/sys/dev/usb/if_ral.c
+++ b/sys/dev/usb/if_ral.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_ral.c,v 1.6 2005/03/17 14:23:03 damien Exp $  */
+/*	$OpenBSD: if_ral.c,v 1.7 2005/03/18 13:53:31 damien Exp $  */
 
 /*-
  * Copyright (c) 2005
@@ -479,6 +479,19 @@ USB_DETACH(ural)
 	usb_rem_task(sc->sc_udev, &sc->sc_task);
 	timeout_del(&sc->scan_ch);
 
+	if (sc->sc_rx_pipeh != NULL) {
+		usbd_abort_pipe(sc->sc_rx_pipeh);
+		usbd_close_pipe(sc->sc_rx_pipeh);
+	}
+
+	if (sc->sc_tx_pipeh != NULL) {
+		usbd_abort_pipe(sc->sc_tx_pipeh);
+		usbd_close_pipe(sc->sc_tx_pipeh);
+	}
+
+	ural_free_rx_list(sc);
+	ural_free_tx_list(sc);
+
 #if NBPFILTER > 0
 	bpfdetach(ifp);
 #endif
-- 
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