[src/trunk]: src/sys/dev Avoid dereferencing an uninitialized pointer

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

details:   https://anonhg.NetBSD.org/src/rev/7aee6bd851df
branches:  trunk
changeset: 787035:7aee6bd851df
user:      martin <martin%NetBSD.org@localhost>
date:      Thu May 30 08:28:13 2013 +0000

description:
Avoid dereferencing an uninitialized pointer

diffstat:

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

diffs (27 lines):

diff -r 395a1fe17b99 -r 7aee6bd851df sys/dev/cgd.c
--- a/sys/dev/cgd.c     Thu May 30 05:50:06 2013 +0000
+++ b/sys/dev/cgd.c     Thu May 30 08:28:13 2013 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: cgd.c,v 1.80 2013/05/29 23:25:39 christos Exp $ */
+/* $NetBSD: cgd.c,v 1.81 2013/05/30 08:28:13 martin Exp $ */
 
 /*-
  * Copyright (c) 2002 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cgd.c,v 1.80 2013/05/29 23:25:39 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cgd.c,v 1.81 2013/05/30 08:28:13 martin Exp $");
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -747,7 +747,7 @@
 static int
 cgd_ioctl_get(dev_t dev, void *data, struct lwp *l)
 {
-       struct cgd_softc *cs;
+       struct cgd_softc *cs = getcgd_softc(dev);
        struct cgd_user *cgu;
        int unit;
        struct  dk_softc *dksc = &cs->sc_dksc;