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Check dkdriver before calling a driver function.

This commit is contained in:
mlelstv 2020-10-06 15:05:54 +00:00
parent f5da3b7f1a
commit e6735382cd
1 changed files with 6 additions and 3 deletions
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9
sys/dev/dkwedge/dk.c
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@ -1,4 +1,4 @@
/* $NetBSD: dk.c,v 1.101 2020/05/24 14:40:21 jmcneill Exp $ */
/* $NetBSD: dk.c,v 1.102 2020/10/06 15:05:54 mlelstv Exp $ */
/*-
* Copyright (c) 2004, 2005, 2006, 2007 The NetBSD Foundation, Inc.
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.101 2020/05/24 14:40:21 jmcneill Exp $");
__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.102 2020/10/06 15:05:54 mlelstv Exp $");
#ifdef _KERNEL_OPT
#include "opt_dkwedge.h"
@ -1441,7 +1441,10 @@ dkminphys(struct buf *bp)
dev = bp->b_dev;
bp->b_dev = sc->sc_pdev;
(*sc->sc_parent->dk_driver->d_minphys)(bp);
if (sc->sc_parent->dk_driver && sc->sc_parent->dk_driver->d_minphys)
(*sc->sc_parent->dk_driver->d_minphys)(bp);
else
minphys(bp);
bp->b_dev = dev;
}