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Coverity CID 1100: Avoid NULL pointer dereferences.

This commit is contained in:
christos 2006-04-14 17:36:51 +00:00
parent 30baf54001
commit c6bb3943dd
1 changed files with 14 additions and 2 deletions
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16
sys/dev/scsipi/ses.c
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@ -1,4 +1,4 @@
/* $NetBSD: ses.c,v 1.33 2006/03/30 16:09:28 thorpej Exp $ */
/* $NetBSD: ses.c,v 1.34 2006/04/14 17:36:51 christos Exp $ */
/*
* Copyright (C) 2000 National Aeronautics & Space Administration
* All rights reserved.
@ -26,7 +26,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ses.c,v 1.33 2006/03/30 16:09:28 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: ses.c,v 1.34 2006/04/14 17:36:51 christos Exp $");
#include "opt_scsi.h"
@ -396,11 +396,15 @@ sesioctl(dev_t dev, u_long cmd, caddr_t arg_addr, int flag, struct lwp *l)
switch (cmd) {
case SESIOC_GETNOBJ:
if (addr == NULL)
return EINVAL;
error = copyout(&ssc->ses_nobjects, addr,
sizeof (ssc->ses_nobjects));
break;
case SESIOC_GETOBJMAP:
if (addr == NULL)
return EINVAL;
for (uobj = addr, i = 0; i != ssc->ses_nobjects; i++, uobj++) {
obj.obj_id = i;
obj.subencid = ssc->ses_objmap[i].subenclosure;
@ -413,6 +417,8 @@ sesioctl(dev_t dev, u_long cmd, caddr_t arg_addr, int flag, struct lwp *l)
break;
case SESIOC_GETENCSTAT:
if (addr == NULL)
return EINVAL;
error = (*ssc->ses_vec.get_encstat)(ssc, 1);
if (error)
break;
@ -422,6 +428,8 @@ sesioctl(dev_t dev, u_long cmd, caddr_t arg_addr, int flag, struct lwp *l)
break;
case SESIOC_SETENCSTAT:
if (addr == NULL)
return EINVAL;
error = copyin(addr, &tmp, sizeof (ses_encstat));
if (error)
break;
@ -429,6 +437,8 @@ sesioctl(dev_t dev, u_long cmd, caddr_t arg_addr, int flag, struct lwp *l)
break;
case SESIOC_GETOBJSTAT:
if (addr == NULL)
return EINVAL;
error = copyin(addr, &objs, sizeof (ses_objstat));
if (error)
break;
@ -447,6 +457,8 @@ sesioctl(dev_t dev, u_long cmd, caddr_t arg_addr, int flag, struct lwp *l)
break;
case SESIOC_SETOBJSTAT:
if (addr == NULL)
return EINVAL;
error = copyin(addr, &objs, sizeof (ses_objstat));
if (error)
break;