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authormlelstv <mlelstv@NetBSD.org>2016-01-04 10:02:15 +0000
committermlelstv <mlelstv@NetBSD.org>2016-01-04 10:02:15 +0000
commitb5241ff5d929e2f76a8a4a862468a056f82fbdad (patch)
treeb88d1c6077e05138c8e968a8844b658419b416ce /sys/dev
parent06c82500e5c7d48b8ad198e61a547c0410e63c28 (diff)
erase dangling pointer to prevent reuse
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/dksubr.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/dev/dksubr.c b/sys/dev/dksubr.c
index ccb25c69799..dc086cfc188 100644
--- a/sys/dev/dksubr.c
+++ b/sys/dev/dksubr.c
@@ -1,4 +1,4 @@
-/* $NetBSD: dksubr.c,v 1.85 2015/12/21 12:33:12 mlelstv Exp $ */
+/* $NetBSD: dksubr.c,v 1.86 2016/01/04 10:02:15 mlelstv Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998, 1999, 2002, 2008 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dksubr.c,v 1.85 2015/12/21 12:33:12 mlelstv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dksubr.c,v 1.86 2016/01/04 10:02:15 mlelstv Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -451,6 +451,7 @@ dk_drain(struct dk_softc *dksc)
mutex_enter(&dksc->sc_iolock);
bp = dksc->sc_deferred;
+ dksc->sc_deferred = NULL;
if (bp != NULL) {
bp->b_error = EIO;
bp->b_resid = bp->b_bcount;