NFS: Move the nfs_set_port() call out of nfs_parse_mount_options()

The remount path does not need to set the port in the server address.
Since it's not really a part of option parsing, move the nfs_set_port()
call to nfs_parse_mount_options()'s callers.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

fs/nfs/super.c

@@ -1214,9 +1214,6 @@ static int nfs_parse_mount_options(char *raw,
 		}
 	}
 
-	nfs_set_port((struct sockaddr *)&mnt->nfs_server.address,
-				mnt->nfs_server.port);
-
 	return 1;
 
 out_nomem:
@@ -1568,6 +1565,9 @@ static int nfs_validate_mount_data(void *options,
 						&args->nfs_server.address))
 			goto out_no_address;
 
+		nfs_set_port((struct sockaddr *)&args->nfs_server.address,
+				args->nfs_server.port);
+
 		nfs_set_mount_transport_protocol(args);
 
 		status = nfs_parse_devname(dev_name,
@@ -2197,6 +2197,9 @@ static int nfs4_validate_mount_data(void *options,
 						&args->nfs_server.address))
 			return -EINVAL;
 
+		nfs_set_port((struct sockaddr *)&args->nfs_server.address,
+				args->nfs_server.port);
+
 		nfs_validate_transport_protocol(args);
 
 		switch (args->auth_flavor_len) {