netfilter: Remove uses of seq_<foo> return values

The seq_printf/seq_puts/seq_putc return values, because they
are frequently misused, will eventually be converted to void.

See: commit 1f33c41c03da ("seq_file: Rename seq_overflow() to
     seq_has_overflowed() and make public")

Miscellanea:

o realign arguments

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
index a460a87e14f8..f0dfe92a00d6 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
@@ -300,7 +300,9 @@ static int exp_seq_show(struct seq_file *s, void *v)
                     __nf_ct_l3proto_find(exp->tuple.src.l3num),
                     __nf_ct_l4proto_find(exp->tuple.src.l3num,
                                          exp->tuple.dst.protonum));
-        return seq_putc(s, '\n');
+        seq_putc(s, '\n');
+
+        return 0;
 }
 
 static const struct seq_operations exp_seq_ops = {