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convert more pointer validation checks to checking against NULL

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This commit is contained in:
Kip Macy 2008-12-16 03:12:44 +00:00
parent d78be3a909
commit aba53ef0a6
3 changed files with 6 additions and 6 deletions
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4
sys/netinet6/icmp6.c
View File

@ -1947,7 +1947,7 @@ icmp6_rip6_input(struct mbuf **mp, int off)
INP_RUNLOCK(in6p);
continue;
}
if (last) {
if (last != NULL) {
struct mbuf *n = NULL;
/*
@ -2008,7 +2008,7 @@ icmp6_rip6_input(struct mbuf **mp, int off)
last = in6p;
}
INP_INFO_RUNLOCK(&V_ripcbinfo);
if (last) {
if (last != NULL) {
if (last->inp_flags & IN6P_CONTROLOPTS)
ip6_savecontrol(last, m, &opts);
/* strip intermediate headers */

4
sys/netinet6/nd6.c
View File

@ -1642,7 +1642,7 @@ nd6_cache_lladdr(struct ifnet *ifp, struct in6_addr *from, char *lladdr,
return (ln);
done:
if (ln) {
if (ln != NULL) {
if (flags & ND6_EXCLUSIVE)
LLE_WUNLOCK(ln);
else
@ -1716,7 +1716,7 @@ nd6_output_lle(struct ifnet *ifp, struct ifnet *origifp, struct mbuf *m0,
int flags = 0;
#ifdef INVARIANTS
if (lle) {
if (lle != NULL) {
LLE_WLOCK_ASSERT(lle);

4
sys/netinet6/raw_ip6.c
View File

@ -193,7 +193,7 @@ rip6_input(struct mbuf **mp, int *offp, int proto)
continue;
}
}
if (last) {
if (last != NULL) {
struct mbuf *n = m_copy(m, 0, (int)M_COPYALL);
#ifdef IPSEC
@ -240,7 +240,7 @@ rip6_input(struct mbuf **mp, int *offp, int proto)
INP_RUNLOCK(last);
} else
#endif /* IPSEC */
if (last) {
if (last != NULL) {
if (last->inp_flags & IN6P_CONTROLOPTS ||
last->inp_socket->so_options & SO_TIMESTAMP)
ip6_savecontrol(last, m, &opts);