cls_rbd.cc: remove unused variable

Remove unused variable 'len', left over from commit
0b0009cfe8429072ba2af6f6843537d5501b27c3.

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>

diff --git a/src/cls/rbd/cls_rbd.cc b/src/cls/rbd/cls_rbd.cc
index 3088f38178b5be6f4790c567542be80b6fd65ac6..982c8a66798c87fe1cd46d97578a34f28cfafb2a 100644 (file)
--- a/src/cls/rbd/cls_rbd.cc
+++ b/src/cls/rbd/cls_rbd.cc
@@ -1836,7 +1836,6 @@ int old_snapshot_add(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
   header = (struct rbd_obj_header_ondisk *)bl.c_str();
 
   int snaps_id_ofs = sizeof(*header);
-  int len = snaps_id_ofs;
   int names_ofs = snaps_id_ofs + sizeof(*new_snaps) * header->snap_count;
   const char *snap_name;
   const char *snap_names = ((char *)header) + names_ofs;
@@ -1885,8 +1884,6 @@ int old_snapshot_add(cls_method_context_t hctx, bufferlist *in, bufferlist *out)
   new_snaps[0].id = snap_id;
   new_snaps[0].image_size = header->image_size;
 
-  len += sizeof(*new_snaps) * header->snap_count + header->snap_names_len;
-
   memcpy(header_bp.c_str(), header, sizeof(*header));
 
   newbl.push_back(header_bp);