convert more pointer validation checks to checking against NULL

3 files changed, 6 insertions, 6 deletions

diff --git a/sys/netinet6/icmp6.c b/sys/netinet6/icmp6.c
index 494cf35..42144e5 100644
--- a/sys/netinet6/icmp6.c
+++ b/sys/netinet6/icmp6.c
@@ -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 */
diff --git a/sys/netinet6/nd6.c b/sys/netinet6/nd6.c
index fae9816..71d50d0 100644
--- a/sys/netinet6/nd6.c
+++ b/sys/netinet6/nd6.c
@@ -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);
 
diff --git a/sys/netinet6/raw_ip6.c b/sys/netinet6/raw_ip6.c
index aec1b8e..87e1e5a 100644
--- a/sys/netinet6/raw_ip6.c
+++ b/sys/netinet6/raw_ip6.c
@@ -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);