sys/net* : for pointers replace 0 with NULL.

Mostly cosmetical, no functional change.

Found with devel/coccinelle.

4 files changed, 12 insertions, 12 deletions

diff --git a/sys/netipsec/ipsec_mbuf.c b/sys/netipsec/ipsec_mbuf.c
index b3df0e0..7111210 100644
--- a/sys/netipsec/ipsec_mbuf.c
+++ b/sys/netipsec/ipsec_mbuf.c
@@ -202,7 +202,7 @@ m_pad(struct mbuf *m, int n)
 	if (pad > M_TRAILINGSPACE(m0)) {
 		/* Add an mbuf to the chain. */
 		MGET(m1, M_NOWAIT, MT_DATA);
-		if (m1 == 0) {
+		if (m1 == NULL) {
 			m_freem(m0);
 			DPRINTF(("%s: unable to get extra mbuf\n", __func__));
 			return NULL;
diff --git a/sys/netipsec/key.c b/sys/netipsec/key.c
index 865a630..7070c1d 100644
--- a/sys/netipsec/key.c
+++ b/sys/netipsec/key.c
@@ -4923,8 +4923,8 @@ key_update(struct socket *so, struct mbuf *m, const struct sadb_msghdr *mhp)
 		dport = (struct sadb_x_nat_t_port *)
 		    mhp->ext[SADB_X_EXT_NAT_T_DPORT];
 	} else {
-		type = 0;
-		sport = dport = 0;
+		type = NULL;
+		sport = dport = NULL;
 	}
 	if (mhp->ext[SADB_X_EXT_NAT_T_OAI] != NULL &&
 	    mhp->ext[SADB_X_EXT_NAT_T_OAR] != NULL) {
@@ -4949,7 +4949,7 @@ key_update(struct socket *so, struct mbuf *m, const struct sadb_msghdr *mhp)
 		frag = (struct sadb_x_nat_t_frag *)
 		    mhp->ext[SADB_X_EXT_NAT_T_FRAG];
 	} else {
-		frag = 0;
+		frag = NULL;
 	}
 #endif
 
@@ -5215,7 +5215,7 @@ key_add(struct socket *so, struct mbuf *m, const struct sadb_msghdr *mhp)
 			KEY_PORTTOSADDR(&saidx.dst,
 			    dport->sadb_x_nat_t_port_port);
 	} else {
-		type = 0;
+		type = NULL;
 	}
 	if (mhp->ext[SADB_X_EXT_NAT_T_OAI] != NULL &&
 	    mhp->ext[SADB_X_EXT_NAT_T_OAR] != NULL) {
@@ -5240,7 +5240,7 @@ key_add(struct socket *so, struct mbuf *m, const struct sadb_msghdr *mhp)
 		frag = (struct sadb_x_nat_t_frag *)
 		    mhp->ext[SADB_X_EXT_NAT_T_FRAG];
 	} else {
-		frag = 0;
+		frag = NULL;
 	}
 #endif
 
@@ -6599,7 +6599,7 @@ key_acquire2(struct socket *so, struct mbuf *m, const struct sadb_msghdr *mhp)
 static int
 key_register(struct socket *so, struct mbuf *m, const struct sadb_msghdr *mhp)
 {
-	struct secreg *reg, *newreg = 0;
+	struct secreg *reg, *newreg = NULL;
 
 	IPSEC_ASSERT(so != NULL, ("null socket"));
 	IPSEC_ASSERT(m != NULL, ("null mbuf"));
diff --git a/sys/netipsec/keysock.c b/sys/netipsec/keysock.c
index 4d12957..73e54bb 100644
--- a/sys/netipsec/keysock.c
+++ b/sys/netipsec/keysock.c
@@ -92,7 +92,7 @@ key_output(struct mbuf *m, struct socket *so, ...)
 	struct sadb_msg *msg;
 	int len, error = 0;
 
-	if (m == 0)
+	if (m == NULL)
 		panic("%s: NULL pointer was passed.\n", __func__);
 
 	PFKEYSTAT_INC(out_total);
@@ -106,7 +106,7 @@ key_output(struct mbuf *m, struct socket *so, ...)
 	}
 
 	if (m->m_len < sizeof(struct sadb_msg)) {
-		if ((m = m_pullup(m, sizeof(struct sadb_msg))) == 0) {
+		if ((m = m_pullup(m, sizeof(struct sadb_msg))) == NULL) {
 			PFKEYSTAT_INC(out_nomem);
 			error = ENOBUFS;
 			goto end;
@@ -178,7 +178,7 @@ key_sendup(struct socket *so, struct sadb_msg *msg, u_int len, int target)
 	int tlen;
 
 	/* sanity check */
-	if (so == 0 || msg == 0)
+	if (so == NULL || msg == NULL)
 		panic("%s: NULL pointer was passed.\n", __func__);
 
 	KEYDEBUG(KEYDEBUG_KEY_DUMP,
@@ -388,7 +388,7 @@ key_attach(struct socket *so, int proto, struct thread *td)
 
 	/* XXX */
 	kp = malloc(sizeof *kp, M_PCB, M_WAITOK | M_ZERO); 
-	if (kp == 0)
+	if (kp == NULL)
 		return ENOBUFS;
 
 	so->so_pcb = (caddr_t)kp;
diff --git a/sys/netipsec/xform_ipcomp.c b/sys/netipsec/xform_ipcomp.c
index 122fc72..ae19d8d 100644
--- a/sys/netipsec/xform_ipcomp.c
+++ b/sys/netipsec/xform_ipcomp.c
@@ -283,7 +283,7 @@ ipcomp_input_cb(struct cryptop *crp)
 	/* In case it's not done already, adjust the size of the mbuf chain */
 	m->m_pkthdr.len = clen + hlen + skip;
 
-	if (m->m_len < skip + hlen && (m = m_pullup(m, skip + hlen)) == 0) {
+	if (m->m_len < skip + hlen && (m = m_pullup(m, skip + hlen)) == NULL) {
 		IPCOMPSTAT_INC(ipcomps_hdrops);		/*XXX*/
 		DPRINTF(("%s: m_pullup failed\n", __func__));
 		error = EINVAL;				/*XXX*/