netfilter: Convert print_tuple functions to return void

Since adding a new function to seq_file (seq_has_overflowed())
there isn't any value for functions called from seq_show to
return anything.   Remove the int returns of the various
print_tuple/<foo>_print_tuple functions.

Link: http://lkml.kernel.org/p/f2e8cf8df433a197daa62cbaf124c900c708edc7.1412031505.git.joe@perches.com

Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Cc: netfilter-devel@vger.kernel.org
Cc: coreteam@netfilter.org
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

3 files changed, 5 insertions, 5 deletions

diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h
index cc0c18827602..f2f0fa3bb150 100644
--- a/include/net/netfilter/nf_conntrack_core.h
+++ b/include/net/netfilter/nf_conntrack_core.h
@@ -72,7 +72,7 @@ static inline int nf_conntrack_confirm(struct sk_buff *skb)
         return ret;
 }
 
-int
+void
 print_tuple(struct seq_file *s, const struct nf_conntrack_tuple *tuple,
             const struct nf_conntrack_l3proto *l3proto,
             const struct nf_conntrack_l4proto *proto);
diff --git a/include/net/netfilter/nf_conntrack_l3proto.h b/include/net/netfilter/nf_conntrack_l3proto.h
index adc1fa3dd7ab..cdc920b4c4c2 100644
--- a/include/net/netfilter/nf_conntrack_l3proto.h
+++ b/include/net/netfilter/nf_conntrack_l3proto.h
@@ -38,8 +38,8 @@ struct nf_conntrack_l3proto {
                              const struct nf_conntrack_tuple *orig);
 
         /* Print out the per-protocol part of the tuple. */
-        int (*print_tuple)(struct seq_file *s,
-                           const struct nf_conntrack_tuple *);
+        void (*print_tuple)(struct seq_file *s,
+                            const struct nf_conntrack_tuple *);
 
         /*
          * Called before tracking. 
diff --git a/include/net/netfilter/nf_conntrack_l4proto.h b/include/net/netfilter/nf_conntrack_l4proto.h
index 82e4ec002a39..1f7061313d54 100644
--- a/include/net/netfilter/nf_conntrack_l4proto.h
+++ b/include/net/netfilter/nf_conntrack_l4proto.h
@@ -56,8 +56,8 @@ struct nf_conntrack_l4proto {
                      u_int8_t pf, unsigned int hooknum);
 
         /* Print out the per-protocol part of the tuple. Return like seq_* */
-        int (*print_tuple)(struct seq_file *s,
-                           const struct nf_conntrack_tuple *);
+        void (*print_tuple)(struct seq_file *s,
+                            const struct nf_conntrack_tuple *);
 
         /* Print out the private part of the conntrack. */
         void (*print_conntrack)(struct seq_file *s, struct nf_conn *);