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Coverity CID 199: make sure that rtp is not NULL before dereferencing.

This commit is contained in:
christos 2006-03-22 02:08:55 +00:00
parent 4bd79d53a1
commit ec166aba55
1 changed files with 4 additions and 4 deletions
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8
usr.bin/xlint/lint1/tree.c
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@ -1,4 +1,4 @@
/* $NetBSD: tree.c,v 1.41 2005/04/07 16:28:40 christos Exp $ */
/* $NetBSD: tree.c,v 1.42 2006/03/22 02:08:55 christos Exp $ */
/*
* Copyright (c) 1994, 1995 Jochen Pohl
@ -37,7 +37,7 @@
#include <sys/cdefs.h>
#if defined(__RCSID) && !defined(lint)
__RCSID("$NetBSD: tree.c,v 1.41 2005/04/07 16:28:40 christos Exp $");
__RCSID("$NetBSD: tree.c,v 1.42 2006/03/22 02:08:55 christos Exp $");
#endif
#include <stdlib.h>
@ -1184,9 +1184,9 @@ typeok(op_t op, int arg, tnode_t *ln, tnode_t *rn)
if (mp->m_badeop &&
(ltp->t_isenum || (mp->m_binary && rtp->t_isenum))) {
chkbeop(op, ln, rn);
} else if (mp->m_enumop && (ltp->t_isenum && rtp->t_isenum)) {
} else if (mp->m_enumop && (ltp->t_isenum && rtp && rtp->t_isenum)) {
chkeop2(op, arg, ln, rn);
} else if (mp->m_enumop && (ltp->t_isenum || rtp->t_isenum)) {
} else if (mp->m_enumop && (ltp->t_isenum || (rtp && rtp->t_isenum))) {
chkeop1(op, arg, ln, rn);
}