rpc.lockd(8) WARNS cleanup

- Provide function prototype for nlm_syscall
- Don't assign a variable from the stack to a global var[1]
- Remove unused vars

Found by:	clang static analyser [1]
Reviewed by:	dfr

3 files changed, 4 insertions, 6 deletions

diff --git a/usr.sbin/rpc.lockd/Makefile b/usr.sbin/rpc.lockd/Makefile
index c81da82..e2185c8 100644
--- a/usr.sbin/rpc.lockd/Makefile
+++ b/usr.sbin/rpc.lockd/Makefile
@@ -7,7 +7,7 @@ MLINKS=	rpc.lockd.8 lockd.8
 SRCS=	kern.c nlm_prot_svc.c lockd.c lock_proc.c lockd_lock.c
 
 CFLAGS+= -I. -I${DESTDIR}/usr/include/rpcsvc
-WARNS?= 0
+WARNS?= 3
 
 DPADD=	${LIBRPCSVC} ${LIBUTIL}
 LDADD=	-lrpcsvc -lutil
diff --git a/usr.sbin/rpc.lockd/lockd.c b/usr.sbin/rpc.lockd/lockd.c
index c111b58..fb9e536 100644
--- a/usr.sbin/rpc.lockd/lockd.c
+++ b/usr.sbin/rpc.lockd/lockd.c
@@ -88,6 +88,7 @@ int nhosts = 0;
 int xcreated = 0;
 char **addrs;			/* actually (netid, uaddr) pairs */
 int naddrs;			/* count of how many (netid, uaddr) pairs */
+char localhost[] = "localhost";
 
 void 	create_service(struct netconfig *nconf);
 void 	lookup_addresses(struct netconfig *nconf);
@@ -626,11 +627,8 @@ lookup_addresses(struct netconfig *nconf)
 	struct sockaddr_in6 *sin6;
 	struct __rpc_sockinfo si;
 	struct netbuf servaddr;
-	SVCXPRT	*transp = NULL;
 	int aicode;
 	int nhostsbak;
-	int r;
-	int registered = 0;
 	u_int32_t host_addr[4];  /* IPv4 or IPv6 */
 	char *uaddr;
 
@@ -789,7 +787,6 @@ init_nsm(void)
 	my_id id;
 	sm_stat stat;
 	char name[] = "NFS NLM";
-	char localhost[] = "localhost";
 
 	/*
 	 * !!!
diff --git a/usr.sbin/rpc.lockd/lockd_lock.c b/usr.sbin/rpc.lockd/lockd_lock.c
index 5d37c32..5900bfa 100644
--- a/usr.sbin/rpc.lockd/lockd_lock.c
+++ b/usr.sbin/rpc.lockd/lockd_lock.c
@@ -197,6 +197,7 @@ enum hwlock_status lock_hwlock(struct file_lock *fl);
 enum split_status split_nfslock(const struct file_lock *exist_lock,
     const struct file_lock *unlock_lock, struct file_lock **left_lock,
     struct file_lock **right_lock);
+int	duplicate_block(struct file_lock *fl);
 void	add_blockingfilelock(struct file_lock *fl);
 enum hwlock_status	unlock_hwlock(const struct file_lock *fl);
 enum hwlock_status	test_hwlock(const struct file_lock *fl,
@@ -1198,7 +1199,7 @@ test_hwlock(fl, conflicting_fl)
 int
 duplicate_block(struct file_lock *fl)
 {
-	struct file_lock *ifl,*nfl;
+	struct file_lock *ifl;
 	int retval = 0;
 
 	debuglog("Entering duplicate_block");