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Only VNDIOCSET needs a valid process context, so don't blindly

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dereference l, test it l is NULL first.
Fix exporting a vnd device to a XENU domain.
This commit is contained in:
bouyer 2005-12-14 19:49:16 +00:00
parent 7330d168b8
commit fc1d07dd69
1 changed files with 3 additions and 3 deletions
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6
sys/dev/vnd.c
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@ -1,4 +1,4 @@
/* $NetBSD: vnd.c,v 1.124 2005/12/11 12:20:53 christos Exp $ */ /* $NetBSD: vnd.c,v 1.125 2005/12/14 19:49:16 bouyer Exp $ */
/*- /*-
* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc. * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
@ -133,7 +133,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: vnd.c,v 1.124 2005/12/11 12:20:53 christos Exp $"); __KERNEL_RCSID(0, "$NetBSD: vnd.c,v 1.125 2005/12/14 19:49:16 bouyer Exp $");
#if defined(_KERNEL_OPT) #if defined(_KERNEL_OPT)
#include "fs_nfs.h" #include "fs_nfs.h"
@ -833,7 +833,7 @@ vndioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct lwp *l)
struct nameidata nd; struct nameidata nd;
int error, part, pmask; int error, part, pmask;
size_t geomsize; size_t geomsize;
struct proc *p = l->l_proc; struct proc *p = (l != NULL) ? l->l_proc : NULL;
int fflags; int fflags;
#ifdef __HAVE_OLD_DISKLABEL #ifdef __HAVE_OLD_DISKLABEL
struct disklabel newlabel; struct disklabel newlabel;