git: 6454d0c8cb5c - main - libalias: Remove unused variables.

The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=6454d0c8cb5ca1771fa0826998764687add3d1f7

commit 6454d0c8cb5ca1771fa0826998764687add3d1f7
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2022-04-06 23:45:29 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2022-04-06 23:45:29 +0000

    libalias: Remove unused variables.
---
 sys/netinet/libalias/alias.c        | 11 +++++------
 sys/netinet/libalias/alias_sctp.c   |  6 ------
 sys/netinet/libalias/alias_skinny.c |  2 --
 3 files changed, 5 insertions(+), 14 deletions(-)

diff --git a/sys/netinet/libalias/alias.c b/sys/netinet/libalias/alias.c
index 37f5bd5a1db1..8a7760f93b6e 100644
--- a/sys/netinet/libalias/alias.c
+++ b/sys/netinet/libalias/alias.c
@@ -843,7 +843,6 @@ UdpAliasOut(struct libalias *la, struct ip *pip, int maxpacketsize, int create)
 	u_short dest_port;
 	u_short proxy_server_port;
 	int proxy_type;
-	int error;
 
 	LIBALIAS_LOCK_ASSERT(la);
 
@@ -910,7 +909,7 @@ UdpAliasOut(struct libalias *la, struct ip *pip, int maxpacketsize, int create)
 		alias_port = GetAliasPort(lnk);
 
 		/* Walk out chain. */
-		error = find_handler(OUT, UDP, la, pip, &ad);
+		find_handler(OUT, UDP, la, pip, &ad);
 
 		/* If UDP checksum is not zero, adjust since source port is */
 		/* being aliased and source address is being altered	*/
@@ -960,7 +959,7 @@ TcpAliasIn(struct libalias *la, struct ip *pip)
 		struct in_addr proxy_address;
 		u_short alias_port;
 		u_short proxy_port;
-		int accumulate, error;
+		int accumulate;
 
 		/*
 		 * The init of MANY vars is a bit below, but aliashandlepptpin
@@ -979,7 +978,7 @@ TcpAliasIn(struct libalias *la, struct ip *pip)
 		};
 
 		/* Walk out chain. */
-		error = find_handler(IN, TCP, la, pip, &ad);
+		find_handler(IN, TCP, la, pip, &ad);
 
 		alias_address = GetAliasAddress(lnk);
 		original_address = GetOriginalAddress(lnk);
@@ -1066,7 +1065,7 @@ TcpAliasIn(struct libalias *la, struct ip *pip)
 static int
 TcpAliasOut(struct libalias *la, struct ip *pip, int maxpacketsize, int create)
 {
-	int proxy_type, error;
+	int proxy_type;
 	u_short dest_port;
 	u_short proxy_server_port;
 	size_t dlen;
@@ -1148,7 +1147,7 @@ TcpAliasOut(struct libalias *la, struct ip *pip, int maxpacketsize, int create)
 		TcpMonitorOut(tc->th_flags, lnk);
 
 		/* Walk out chain. */
-		error = find_handler(OUT, TCP, la, pip, &ad);
+		find_handler(OUT, TCP, la, pip, &ad);
 
 		/* Adjust TCP checksum since source port is being aliased
 		 * and source address is being altered */
diff --git a/sys/netinet/libalias/alias_sctp.c b/sys/netinet/libalias/alias_sctp.c
index b88ad2b28ca8..8dc432ef6307 100644
--- a/sys/netinet/libalias/alias_sctp.c
+++ b/sys/netinet/libalias/alias_sctp.c
@@ -1504,16 +1504,10 @@ RmGlobalIPAddresses(struct sctp_nat_msg *sm, struct sctp_nat_assoc *assoc, int d
 	struct sctp_asconf_addrv4_param *asconf_ipv4_param;
 	struct sctp_paramhdr *param;
 	struct sctp_GlobalAddress *G_Addr, *G_Addr_tmp;
-	struct in_addr g_addr;
 	int bytes_left;
 	int param_size;
 	int param_count;
 
-	if (direction == SN_TO_GLOBAL)
-		g_addr = sm->ip_hdr->ip_dst;
-	else
-		g_addr = sm->ip_hdr->ip_src;
-
 	bytes_left = sm->chunk_length;
 	param_count = 1;
 	param = sm->sctpchnk.Asconf;
diff --git a/sys/netinet/libalias/alias_skinny.c b/sys/netinet/libalias/alias_skinny.c
index 31b33696fc20..8c933ba74b4a 100644
--- a/sys/netinet/libalias/alias_skinny.c
+++ b/sys/netinet/libalias/alias_skinny.c
@@ -274,13 +274,11 @@ alias_skinny_opnrcvch_ack(struct libalias *la, struct OpenReceiveChannelAck *opn
 {
 	struct in_addr null_addr;
 	struct alias_link *opnrcv_lnk;
-	u_int32_t localPort;
 
 	(void)lnk;
 	(void)direction;
 
 	*localIpAddr = (u_int32_t)opnrcvch_ack->ipAddr;
-	localPort = opnrcvch_ack->port;
 
 	null_addr.s_addr = INADDR_ANY;
 	opnrcv_lnk = FindUdpTcpOut(la, pip->ip_src, null_addr,