netdev - [PATCH net-next 1/8] netfilter: use macros to create module aliases.

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Message-ID: <20190326205715.22288-2-fbl@sysclose.org>
Date:   Tue, 26 Mar 2019 17:57:08 -0300
From:   Flavio Leitner <fbl@...close.org>
To:     netdev@...r.kernel.org
Cc:     Joe Stringer <joe@....org>, Pravin B Shelar <pshelar@....org>,
        dev@...nvswitch.org, netfilter-devel@...r.kernel.org
Subject: [PATCH net-next 1/8] netfilter: use macros to create module aliases.

Each NAT helper creates a module alias which follows a pattern.
Use macros for consistency.

Signed-off-by: Flavio Leitner <fbl@...close.org>
---
 include/net/netfilter/nf_conntrack_helper.h | 4 ++++
 net/ipv4/netfilter/nf_nat_h323.c            | 2 +-
 net/ipv4/netfilter/nf_nat_pptp.c            | 2 +-
 net/netfilter/nf_nat_amanda.c               | 2 +-
 net/netfilter/nf_nat_ftp.c                  | 2 +-
 net/netfilter/nf_nat_irc.c                  | 2 +-
 net/netfilter/nf_nat_sip.c                  | 2 +-
 net/netfilter/nf_nat_tftp.c                 | 2 +-
 8 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/include/net/netfilter/nf_conntrack_helper.h b/include/net/netfilter/nf_conntrack_helper.h
index ec52a8dc32fd..e86fadf7e7c5 100644
--- a/include/net/netfilter/nf_conntrack_helper.h
+++ b/include/net/netfilter/nf_conntrack_helper.h
@@ -15,6 +15,10 @@
 #include <net/netfilter/nf_conntrack_extend.h>
 #include <net/netfilter/nf_conntrack_expect.h>
 
+#define NF_CT_NAT_HELPER_MOD_NAME(name)	"ip_nat_" name
+#define MODULE_ALIAS_NFCT_HELPER_NAT(name) \
+	MODULE_ALIAS(NF_CT_NAT_HELPER_MOD_NAME(name))
+
 struct module;
 
 enum nf_ct_helper_flags {
diff --git a/net/ipv4/netfilter/nf_nat_h323.c b/net/ipv4/netfilter/nf_nat_h323.c
index 4e6b53ab6c33..09754e787692 100644
--- a/net/ipv4/netfilter/nf_nat_h323.c
+++ b/net/ipv4/netfilter/nf_nat_h323.c
@@ -631,4 +631,4 @@ module_exit(fini);
 MODULE_AUTHOR("Jing Min Zhao <zhaojingmin@...rs.sourceforge.net>");
 MODULE_DESCRIPTION("H.323 NAT helper");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("ip_nat_h323");
+MODULE_ALIAS_NFCT_HELPER_NAT("h323");
diff --git a/net/ipv4/netfilter/nf_nat_pptp.c b/net/ipv4/netfilter/nf_nat_pptp.c
index 68b4d450391b..1a984e5db88a 100644
--- a/net/ipv4/netfilter/nf_nat_pptp.c
+++ b/net/ipv4/netfilter/nf_nat_pptp.c
@@ -37,7 +37,7 @@
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Harald Welte <laforge@...monks.org>");
 MODULE_DESCRIPTION("Netfilter NAT helper module for PPTP");
-MODULE_ALIAS("ip_nat_pptp");
+MODULE_ALIAS_NFCT_HELPER_NAT("pptp");
 
 static void pptp_nat_expected(struct nf_conn *ct,
 			      struct nf_conntrack_expect *exp)
diff --git a/net/netfilter/nf_nat_amanda.c b/net/netfilter/nf_nat_amanda.c
index e4d61a7a5258..e87075763f73 100644
--- a/net/netfilter/nf_nat_amanda.c
+++ b/net/netfilter/nf_nat_amanda.c
@@ -22,7 +22,7 @@
 MODULE_AUTHOR("Brian J. Murrell <netfilter@...erlinx.bc.ca>");
 MODULE_DESCRIPTION("Amanda NAT helper");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("ip_nat_amanda");
+MODULE_ALIAS_NFCT_HELPER_NAT("amanda");
 
 static unsigned int help(struct sk_buff *skb,
 			 enum ip_conntrack_info ctinfo,
diff --git a/net/netfilter/nf_nat_ftp.c b/net/netfilter/nf_nat_ftp.c
index 5063cbf1689c..19f5739fd5e2 100644
--- a/net/netfilter/nf_nat_ftp.c
+++ b/net/netfilter/nf_nat_ftp.c
@@ -24,7 +24,7 @@
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Rusty Russell <rusty@...tcorp.com.au>");
 MODULE_DESCRIPTION("ftp NAT helper");
-MODULE_ALIAS("ip_nat_ftp");
+MODULE_ALIAS_NFCT_HELPER_NAT("ftp");
 
 /* FIXME: Time out? --RR */
 
diff --git a/net/netfilter/nf_nat_irc.c b/net/netfilter/nf_nat_irc.c
index 3aa35a43100d..c18e3ce6589b 100644
--- a/net/netfilter/nf_nat_irc.c
+++ b/net/netfilter/nf_nat_irc.c
@@ -26,7 +26,7 @@
 MODULE_AUTHOR("Harald Welte <laforge@...monks.org>");
 MODULE_DESCRIPTION("IRC (DCC) NAT helper");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("ip_nat_irc");
+MODULE_ALIAS_NFCT_HELPER_NAT("irc");
 
 static unsigned int help(struct sk_buff *skb,
 			 enum ip_conntrack_info ctinfo,
diff --git a/net/netfilter/nf_nat_sip.c b/net/netfilter/nf_nat_sip.c
index aa1be643d7a0..f31c2a1b95b8 100644
--- a/net/netfilter/nf_nat_sip.c
+++ b/net/netfilter/nf_nat_sip.c
@@ -27,7 +27,7 @@
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Christian Hentschel <chentschel@...et.com.ar>");
 MODULE_DESCRIPTION("SIP NAT helper");
-MODULE_ALIAS("ip_nat_sip");
+MODULE_ALIAS_NFCT_HELPER_NAT("sip");
 
 
 static unsigned int mangle_packet(struct sk_buff *skb, unsigned int protoff,
diff --git a/net/netfilter/nf_nat_tftp.c b/net/netfilter/nf_nat_tftp.c
index 7f67e1d5310d..51673aa6e1dc 100644
--- a/net/netfilter/nf_nat_tftp.c
+++ b/net/netfilter/nf_nat_tftp.c
@@ -16,7 +16,7 @@
 MODULE_AUTHOR("Magnus Boden <mb@...ba.mine.nu>");
 MODULE_DESCRIPTION("TFTP NAT helper");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("ip_nat_tftp");
+MODULE_ALIAS_NFCT_HELPER_NAT("tftp");
 
 static unsigned int help(struct sk_buff *skb,
 			 enum ip_conntrack_info ctinfo,
-- 
2.20.1