From patchwork Wed Nov 5 19:24:29 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steven Rostedt X-Patchwork-Id: 407131 X-Patchwork-Delegate: pablo@netfilter.org Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 9DCCA140098 for ; Thu, 6 Nov 2014 06:26:08 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751624AbaKETZt (ORCPT ); Wed, 5 Nov 2014 14:25:49 -0500 Received: from cdptpa-outbound-snat.email.rr.com ([107.14.166.231]:62270 "EHLO cdptpa-oedge-vip.email.rr.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751612AbaKETZs (ORCPT ); Wed, 5 Nov 2014 14:25:48 -0500 Received: from [67.246.153.56] ([67.246.153.56:51190] helo=gandalf.local.home) by cdptpa-oedge01 (envelope-from ) (ecelerity 3.5.0.35861 r(Momo-dev:tip)) with ESMTP id 26/7F-02056-8B97A545; Wed, 05 Nov 2014 19:25:45 +0000 Received: from rostedt by gandalf.local.home with local (Exim 4.84) (envelope-from ) id 1Xm6DA-0003P6-9U; Wed, 05 Nov 2014 14:25:44 -0500 Message-Id: <20141105192544.214361386@goodmis.org> User-Agent: quilt/0.61-1 Date: Wed, 05 Nov 2014 14:24:29 -0500 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Al Viro , Joe Perches , Andrew Morton , Pablo Neira Ayuso , Patrick McHardy , Jozsef Kadlecsik , , Subject: [PATCH 3/8] netfilter: Convert print_tuple functions to return void References: <20141105192426.348510548@goodmis.org> MIME-Version: 1.0 Content-Disposition: inline; filename=0003-netfilter-Convert-print_tuple-functions-to-return-vo.patch X-RR-Connecting-IP: 107.14.168.118:25 X-Cloudmark-Score: 0 Sender: netfilter-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org From: Joe Perches 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/_print_tuple functions. Link: http://lkml.kernel.org/p/f2e8cf8df433a197daa62cbaf124c900c708edc7.1412031505.git.joe@perches.com Cc: Pablo Neira Ayuso Cc: Patrick McHardy Cc: Jozsef Kadlecsik Cc: netfilter-devel@vger.kernel.org Cc: coreteam@netfilter.org Signed-off-by: Joe Perches Signed-off-by: Steven Rostedt --- include/net/netfilter/nf_conntrack_core.h | 2 +- include/net/netfilter/nf_conntrack_l3proto.h | 4 ++-- include/net/netfilter/nf_conntrack_l4proto.h | 4 ++-- net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c | 6 +++--- net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c | 12 ++++++++---- net/ipv4/netfilter/nf_conntrack_proto_icmp.c | 10 +++++----- net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c | 6 +++--- net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c | 10 +++++----- net/netfilter/nf_conntrack_l3proto_generic.c | 5 ++--- net/netfilter/nf_conntrack_proto_dccp.c | 10 +++++----- net/netfilter/nf_conntrack_proto_generic.c | 5 ++--- net/netfilter/nf_conntrack_proto_gre.c | 10 +++++----- net/netfilter/nf_conntrack_proto_sctp.c | 10 +++++----- net/netfilter/nf_conntrack_proto_tcp.c | 10 +++++----- net/netfilter/nf_conntrack_proto_udp.c | 10 +++++----- net/netfilter/nf_conntrack_proto_udplite.c | 10 +++++----- net/netfilter/nf_conntrack_standalone.c | 15 +++++++-------- 17 files changed, 70 insertions(+), 69 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 *); diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c index a054fe083431..5c61328b7704 100644 --- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c +++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c @@ -56,11 +56,11 @@ static bool ipv4_invert_tuple(struct nf_conntrack_tuple *tuple, return true; } -static int ipv4_print_tuple(struct seq_file *s, +static void ipv4_print_tuple(struct seq_file *s, const struct nf_conntrack_tuple *tuple) { - return seq_printf(s, "src=%pI4 dst=%pI4 ", - &tuple->src.u3.ip, &tuple->dst.u3.ip); + seq_printf(s, "src=%pI4 dst=%pI4 ", + &tuple->src.u3.ip, &tuple->dst.u3.ip); } static int ipv4_get_l4proto(const struct sk_buff *skb, unsigned int nhoff, diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c index 91f207c2cb69..d927f9e72130 100644 --- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c +++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c @@ -153,8 +153,10 @@ static int ct_seq_show(struct seq_file *s, void *v) if (seq_has_overflowed(s)) goto release; - if (print_tuple(s, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple, - l3proto, l4proto)) + print_tuple(s, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple, + l3proto, l4proto); + + if (seq_has_overflowed(s)) goto release; if (seq_print_acct(s, ct, IP_CT_DIR_ORIGINAL)) @@ -164,8 +166,10 @@ static int ct_seq_show(struct seq_file *s, void *v) if (seq_printf(s, "[UNREPLIED] ")) goto release; - if (print_tuple(s, &ct->tuplehash[IP_CT_DIR_REPLY].tuple, - l3proto, l4proto)) + print_tuple(s, &ct->tuplehash[IP_CT_DIR_REPLY].tuple, + l3proto, l4proto); + + if (seq_has_overflowed(s)) goto release; if (seq_print_acct(s, ct, IP_CT_DIR_REPLY)) diff --git a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c index b91b2641adda..80d5554b9a88 100644 --- a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c +++ b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c @@ -72,13 +72,13 @@ static bool icmp_invert_tuple(struct nf_conntrack_tuple *tuple, } /* Print out the per-protocol part of the tuple. */ -static int icmp_print_tuple(struct seq_file *s, +static void icmp_print_tuple(struct seq_file *s, const struct nf_conntrack_tuple *tuple) { - return seq_printf(s, "type=%u code=%u id=%u ", - tuple->dst.u.icmp.type, - tuple->dst.u.icmp.code, - ntohs(tuple->src.u.icmp.id)); + seq_printf(s, "type=%u code=%u id=%u ", + tuple->dst.u.icmp.type, + tuple->dst.u.icmp.code, + ntohs(tuple->src.u.icmp.id)); } static unsigned int *icmp_get_timeouts(struct net *net) diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c index 4cbc6b290dd5..b68d0e59c1f8 100644 --- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c +++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c @@ -60,11 +60,11 @@ static bool ipv6_invert_tuple(struct nf_conntrack_tuple *tuple, return true; } -static int ipv6_print_tuple(struct seq_file *s, +static void ipv6_print_tuple(struct seq_file *s, const struct nf_conntrack_tuple *tuple) { - return seq_printf(s, "src=%pI6 dst=%pI6 ", - tuple->src.u3.ip6, tuple->dst.u3.ip6); + seq_printf(s, "src=%pI6 dst=%pI6 ", + tuple->src.u3.ip6, tuple->dst.u3.ip6); } static int ipv6_get_l4proto(const struct sk_buff *skb, unsigned int nhoff, diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c index b3807c5cb888..90388d606483 100644 --- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c +++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c @@ -84,13 +84,13 @@ static bool icmpv6_invert_tuple(struct nf_conntrack_tuple *tuple, } /* Print out the per-protocol part of the tuple. */ -static int icmpv6_print_tuple(struct seq_file *s, +static void icmpv6_print_tuple(struct seq_file *s, const struct nf_conntrack_tuple *tuple) { - return seq_printf(s, "type=%u code=%u id=%u ", - tuple->dst.u.icmp.type, - tuple->dst.u.icmp.code, - ntohs(tuple->src.u.icmp.id)); + seq_printf(s, "type=%u code=%u id=%u ", + tuple->dst.u.icmp.type, + tuple->dst.u.icmp.code, + ntohs(tuple->src.u.icmp.id)); } static unsigned int *icmpv6_get_timeouts(struct net *net) diff --git a/net/netfilter/nf_conntrack_l3proto_generic.c b/net/netfilter/nf_conntrack_l3proto_generic.c index e7eb807fe07d..cf9ace70bece 100644 --- a/net/netfilter/nf_conntrack_l3proto_generic.c +++ b/net/netfilter/nf_conntrack_l3proto_generic.c @@ -49,10 +49,9 @@ static bool generic_invert_tuple(struct nf_conntrack_tuple *tuple, return true; } -static int generic_print_tuple(struct seq_file *s, - const struct nf_conntrack_tuple *tuple) +static void generic_print_tuple(struct seq_file *s, + const struct nf_conntrack_tuple *tuple) { - return 0; } static int generic_get_l4proto(const struct sk_buff *skb, unsigned int nhoff, diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c index 15971177470a..6dd995c7c72b 100644 --- a/net/netfilter/nf_conntrack_proto_dccp.c +++ b/net/netfilter/nf_conntrack_proto_dccp.c @@ -618,12 +618,12 @@ out_invalid: return -NF_ACCEPT; } -static int dccp_print_tuple(struct seq_file *s, - const struct nf_conntrack_tuple *tuple) +static void dccp_print_tuple(struct seq_file *s, + const struct nf_conntrack_tuple *tuple) { - return seq_printf(s, "sport=%hu dport=%hu ", - ntohs(tuple->src.u.dccp.port), - ntohs(tuple->dst.u.dccp.port)); + seq_printf(s, "sport=%hu dport=%hu ", + ntohs(tuple->src.u.dccp.port), + ntohs(tuple->dst.u.dccp.port)); } static void dccp_print_conntrack(struct seq_file *s, struct nf_conn *ct) diff --git a/net/netfilter/nf_conntrack_proto_generic.c b/net/netfilter/nf_conntrack_proto_generic.c index 957c1db66652..60865f110309 100644 --- a/net/netfilter/nf_conntrack_proto_generic.c +++ b/net/netfilter/nf_conntrack_proto_generic.c @@ -63,10 +63,9 @@ static bool generic_invert_tuple(struct nf_conntrack_tuple *tuple, } /* Print out the per-protocol part of the tuple. */ -static int generic_print_tuple(struct seq_file *s, - const struct nf_conntrack_tuple *tuple) +static void generic_print_tuple(struct seq_file *s, + const struct nf_conntrack_tuple *tuple) { - return 0; } static unsigned int *generic_get_timeouts(struct net *net) diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c index cba607ada069..7648674f29c3 100644 --- a/net/netfilter/nf_conntrack_proto_gre.c +++ b/net/netfilter/nf_conntrack_proto_gre.c @@ -226,12 +226,12 @@ static bool gre_pkt_to_tuple(const struct sk_buff *skb, unsigned int dataoff, } /* print gre part of tuple */ -static int gre_print_tuple(struct seq_file *s, - const struct nf_conntrack_tuple *tuple) +static void gre_print_tuple(struct seq_file *s, + const struct nf_conntrack_tuple *tuple) { - return seq_printf(s, "srckey=0x%x dstkey=0x%x ", - ntohs(tuple->src.u.gre.key), - ntohs(tuple->dst.u.gre.key)); + seq_printf(s, "srckey=0x%x dstkey=0x%x ", + ntohs(tuple->src.u.gre.key), + ntohs(tuple->dst.u.gre.key)); } /* print private data for conntrack */ diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c index c61f4cd6407d..b45da90fad32 100644 --- a/net/netfilter/nf_conntrack_proto_sctp.c +++ b/net/netfilter/nf_conntrack_proto_sctp.c @@ -166,12 +166,12 @@ static bool sctp_invert_tuple(struct nf_conntrack_tuple *tuple, } /* Print out the per-protocol part of the tuple. */ -static int sctp_print_tuple(struct seq_file *s, - const struct nf_conntrack_tuple *tuple) +static void sctp_print_tuple(struct seq_file *s, + const struct nf_conntrack_tuple *tuple) { - return seq_printf(s, "sport=%hu dport=%hu ", - ntohs(tuple->src.u.sctp.port), - ntohs(tuple->dst.u.sctp.port)); + seq_printf(s, "sport=%hu dport=%hu ", + ntohs(tuple->src.u.sctp.port), + ntohs(tuple->dst.u.sctp.port)); } /* Print out the private part of the conntrack. */ diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c index 79668fd3db96..36a3ac8ee9f5 100644 --- a/net/netfilter/nf_conntrack_proto_tcp.c +++ b/net/netfilter/nf_conntrack_proto_tcp.c @@ -302,12 +302,12 @@ static bool tcp_invert_tuple(struct nf_conntrack_tuple *tuple, } /* Print out the per-protocol part of the tuple. */ -static int tcp_print_tuple(struct seq_file *s, - const struct nf_conntrack_tuple *tuple) +static void tcp_print_tuple(struct seq_file *s, + const struct nf_conntrack_tuple *tuple) { - return seq_printf(s, "sport=%hu dport=%hu ", - ntohs(tuple->src.u.tcp.port), - ntohs(tuple->dst.u.tcp.port)); + seq_printf(s, "sport=%hu dport=%hu ", + ntohs(tuple->src.u.tcp.port), + ntohs(tuple->dst.u.tcp.port)); } /* Print out the private part of the conntrack. */ diff --git a/net/netfilter/nf_conntrack_proto_udp.c b/net/netfilter/nf_conntrack_proto_udp.c index 9d7721cbce4b..6957281ffee5 100644 --- a/net/netfilter/nf_conntrack_proto_udp.c +++ b/net/netfilter/nf_conntrack_proto_udp.c @@ -63,12 +63,12 @@ static bool udp_invert_tuple(struct nf_conntrack_tuple *tuple, } /* Print out the per-protocol part of the tuple. */ -static int udp_print_tuple(struct seq_file *s, - const struct nf_conntrack_tuple *tuple) +static void udp_print_tuple(struct seq_file *s, + const struct nf_conntrack_tuple *tuple) { - return seq_printf(s, "sport=%hu dport=%hu ", - ntohs(tuple->src.u.udp.port), - ntohs(tuple->dst.u.udp.port)); + seq_printf(s, "sport=%hu dport=%hu ", + ntohs(tuple->src.u.udp.port), + ntohs(tuple->dst.u.udp.port)); } static unsigned int *udp_get_timeouts(struct net *net) diff --git a/net/netfilter/nf_conntrack_proto_udplite.c b/net/netfilter/nf_conntrack_proto_udplite.c index 2750e6c69f82..c5903d1649f9 100644 --- a/net/netfilter/nf_conntrack_proto_udplite.c +++ b/net/netfilter/nf_conntrack_proto_udplite.c @@ -71,12 +71,12 @@ static bool udplite_invert_tuple(struct nf_conntrack_tuple *tuple, } /* Print out the per-protocol part of the tuple. */ -static int udplite_print_tuple(struct seq_file *s, - const struct nf_conntrack_tuple *tuple) +static void udplite_print_tuple(struct seq_file *s, + const struct nf_conntrack_tuple *tuple) { - return seq_printf(s, "sport=%hu dport=%hu ", - ntohs(tuple->src.u.udp.port), - ntohs(tuple->dst.u.udp.port)); + seq_printf(s, "sport=%hu dport=%hu ", + ntohs(tuple->src.u.udp.port), + ntohs(tuple->dst.u.udp.port)); } static unsigned int *udplite_get_timeouts(struct net *net) diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c index 348aa3602787..23a0dcab21d4 100644 --- a/net/netfilter/nf_conntrack_standalone.c +++ b/net/netfilter/nf_conntrack_standalone.c @@ -36,12 +36,13 @@ MODULE_LICENSE("GPL"); #ifdef CONFIG_NF_CONNTRACK_PROCFS -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 *l4proto) { - return l3proto->print_tuple(s, tuple) || l4proto->print_tuple(s, tuple); + l3proto->print_tuple(s, tuple); + l4proto->print_tuple(s, tuple); } EXPORT_SYMBOL_GPL(print_tuple); @@ -202,9 +203,8 @@ static int ct_seq_show(struct seq_file *s, void *v) if (l4proto->print_conntrack) l4proto->print_conntrack(s, ct); - if (print_tuple(s, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple, - l3proto, l4proto)) - goto release; + print_tuple(s, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple, + l3proto, l4proto); if (seq_print_acct(s, ct, IP_CT_DIR_ORIGINAL)) goto release; @@ -213,9 +213,8 @@ static int ct_seq_show(struct seq_file *s, void *v) if (seq_printf(s, "[UNREPLIED] ")) goto release; - if (print_tuple(s, &ct->tuplehash[IP_CT_DIR_REPLY].tuple, - l3proto, l4proto)) - goto release; + print_tuple(s, &ct->tuplehash[IP_CT_DIR_REPLY].tuple, + l3proto, l4proto); if (seq_print_acct(s, ct, IP_CT_DIR_REPLY)) goto release;