NLM: Remove unused argument from svc_addsock() function

Clean up: The svc_addsock() function no longer uses its "proto"
argument, so remove it.

Signed-off-by: Chuck Lever <[e-mail]>
Cc: Neil Brown <[e-mail]>
Signed-off-by: J. Bruce Fields <[e-mail]>

fs/nfsd/nfsctl.c

···
 			return -EINVAL;
 		err = nfsd_create_serv();
 		if (!err) {
-			err = svc_addsock(nfsd_serv, fd, buf, NULL);
+			err = svc_addsock(nfsd_serv, fd, buf);
 			if (err >= 0) {
 				err = lockd_up();
 				if (err < 0)

include/linux/sunrpc/svcsock.h

···
 void		svc_drop(struct svc_rqst *);
 void		svc_sock_update_bufs(struct svc_serv *serv);
 int		svc_sock_names(char *buf, struct svc_serv *serv, char *toclose);
-int		svc_addsock(struct svc_serv *serv,
-			    int fd,
-			    char *name_return,
-			    int *proto);
+int		svc_addsock(struct svc_serv *serv, int fd, char *name_return);
 void		svc_init_xprt_sock(void);
 void		svc_cleanup_xprt_sock(void);
 

net/sunrpc/svcsock.c

···
 
 int svc_addsock(struct svc_serv *serv,
 		int fd,
-		char *name_return,
-		int *proto)
+		char *name_return)
 {
 	int err = 0;
 	struct socket *so = sockfd_lookup(fd, &err);
···
 		sockfd_put(so);
 		return err;
 	}
-	if (proto) *proto = so->sk->sk_protocol;
 	return one_sock_name(name_return, svsk);
 }
 EXPORT_SYMBOL_GPL(svc_addsock);