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Coverity CID 886: Avoid NULL deref.

This commit is contained in:
christos 2006-05-02 21:40:06 +00:00
parent 76d85cf9ac
commit 9b0f17533c
1 changed files with 3 additions and 3 deletions
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6
usr.bin/vmstat/vmstat.c
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@ -1,4 +1,4 @@
/* $NetBSD: vmstat.c,v 1.141 2006/04/27 09:04:41 simonb Exp $ */
/* $NetBSD: vmstat.c,v 1.142 2006/05/02 21:40:06 christos Exp $ */
/*-
* Copyright (c) 1998, 2000, 2001 The NetBSD Foundation, Inc.
@ -77,7 +77,7 @@ __COPYRIGHT("@(#) Copyright (c) 1980, 1986, 1991, 1993\n\
#if 0
static char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 3/1/95";
#else
__RCSID("$NetBSD: vmstat.c,v 1.141 2006/04/27 09:04:41 simonb Exp $");
__RCSID("$NetBSD: vmstat.c,v 1.142 2006/05/02 21:40:06 christos Exp $");
#endif
#endif /* not lint */
@ -1531,7 +1531,7 @@ hist_traverse(int todo, const char *histname)
for (histkva = LIST_FIRST(&histhead); histkva != NULL;
histkva = LIST_NEXT(&hist, list)) {
deref_kptr(histkva, &hist, sizeof(hist), "histkva");
if (hist.namelen > namelen) {
if (name == NULL || hist.namelen > namelen) {
if (name != NULL)
free(name);
namelen = hist.namelen;