[src/trunk]: src/sys/dev/dkwedge Check dkdriver before calling a driver funct...

[mlelstv <mlelstv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/ad2e11751c15
branches:  trunk
changeset: 976884:ad2e11751c15
user:      mlelstv <mlelstv%NetBSD.org@localhost>
date:      Tue Oct 06 15:05:54 2020 +0000

description:
Check dkdriver before calling a driver function.

diffstat:

 sys/dev/dkwedge/dk.c |  9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r 2575d61ef868 -r ad2e11751c15 sys/dev/dkwedge/dk.c
--- a/sys/dev/dkwedge/dk.c      Tue Oct 06 13:42:03 2020 +0000
+++ b/sys/dev/dkwedge/dk.c      Tue Oct 06 15:05:54 2020 +0000
@@ -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 @@
 
        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;
 }