netpfil: for pointers replace 0 with NULL.

These are mostly cosmetical, no functional change.

Found with devel/coccinelle.

Reviewed by:	ae

3 files changed, 4 insertions, 4 deletions

diff --git a/sys/netpfil/ipfw/ip_fw_iface.c b/sys/netpfil/ipfw/ip_fw_iface.c
index b7c450c..07d24de 100644
--- a/sys/netpfil/ipfw/ip_fw_iface.c
+++ b/sys/netpfil/ipfw/ip_fw_iface.c
@@ -471,7 +471,7 @@ export_iface_internal(struct namedobj_instance *ii, struct named_object *no,
 	da = (struct dump_iface_args *)arg;
 
 	i = (ipfw_iface_info *)ipfw_get_sopt_space(da->sd, sizeof(*i));
-	KASSERT(i != 0, ("previously checked buffer is not enough"));
+	KASSERT(i != NULL, ("previously checked buffer is not enough"));
 
 	iif = (struct ipfw_iface *)no;
 
diff --git a/sys/netpfil/ipfw/ip_fw_sockopt.c b/sys/netpfil/ipfw/ip_fw_sockopt.c
index 00d1a0a..c63a303 100644
--- a/sys/netpfil/ipfw/ip_fw_sockopt.c
+++ b/sys/netpfil/ipfw/ip_fw_sockopt.c
@@ -2797,7 +2797,7 @@ dump_soptcodes(struct ip_fw_chain *chain, ip_fw3_opheader *op3,
 
 	for (n = 1; n <= count; n++) {
 		i = (ipfw_sopt_info *)ipfw_get_sopt_space(sd, sizeof(*i));
-		KASSERT(i != 0, ("previously checked buffer is not enough"));
+		KASSERT(i != NULL, ("previously checked buffer is not enough"));
 		sh = &ctl3_handlers[n];
 		i->opcode = sh->opcode;
 		i->version = sh->version;
diff --git a/sys/netpfil/ipfw/ip_fw_table.c b/sys/netpfil/ipfw/ip_fw_table.c
index 4af7c88..175202a 100644
--- a/sys/netpfil/ipfw/ip_fw_table.c
+++ b/sys/netpfil/ipfw/ip_fw_table.c
@@ -2130,7 +2130,7 @@ export_table_internal(struct namedobj_instance *ni, struct named_object *no,
 	dta = (struct dump_table_args *)arg;
 
 	i = (ipfw_xtable_info *)ipfw_get_sopt_space(dta->sd, sizeof(*i));
-	KASSERT(i != 0, ("previously checked buffer is not enough"));
+	KASSERT(i != NULL, ("previously checked buffer is not enough"));
 
 	export_table_info(dta->ch, (struct table_config *)no, i);
 }
@@ -2746,7 +2746,7 @@ list_table_algo(struct ip_fw_chain *ch, ip_fw3_opheader *op3,
 
 	for (n = 1; n <= count; n++) {
 		i = (ipfw_ta_info *)ipfw_get_sopt_space(sd, sizeof(*i));
-		KASSERT(i != 0, ("previously checked buffer is not enough"));
+		KASSERT(i != NULL, ("previously checked buffer is not enough"));
 		ta = tcfg->algo[n];
 		strlcpy(i->algoname, ta->name, sizeof(i->algoname));
 		i->type = ta->type;