ceph: use info returned by get_authorizer

Rather than passing a bunch of arguments to be filled in with the
content of the ceph_auth_handshake buffer now returned by the
get_authorizer method, just use the returned information in the
caller, and drop the unnecessary arguments.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 67938a9..200bc87 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -3401,9 +3401,7 @@
  * managed separately.  Caller must *not* attempt to free it.
  */
 static struct ceph_auth_handshake *get_authorizer(struct ceph_connection *con,
-					void **buf, int *len, int *proto,
-					void **reply_buf, int *reply_len,
-					int force_new)
+					int *proto, int force_new)
 {
 	struct ceph_mds_session *s = con->private;
 	struct ceph_mds_client *mdsc = s->s_mdsc;
@@ -3421,12 +3419,7 @@
 		if (ret)
 			return ERR_PTR(ret);
 	}
-
 	*proto = ac->protocol;
-	*buf = auth->authorizer_buf;
-	*len = auth->authorizer_buf_len;
-	*reply_buf = auth->authorizer_reply_buf;
-	*reply_len = auth->authorizer_reply_buf_len;
 
 	return auth;
 }