cls/rbd/cls_rbd.cc: reduce scope of variable rc

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 0ac889f67954e5a4fc150da53f138e5c01e079ba..92349ea9304ddc58d2d1a231b3ee442b9eaa582d 100644 (file)
--- a/src/cls/rbd/cls_rbd.cc
+++ b/src/cls/rbd/cls_rbd.cc
@@ -103,7 +103,6 @@ static int snap_read_header(cls_method_context_t hctx, bufferlist& bl)
 {
   unsigned snap_count = 0;
   uint64_t snap_names_len = 0;
-  int rc;
   struct rbd_obj_header_ondisk *header;
 
   CLS_LOG(20, "snapshots_list");
@@ -113,7 +112,7 @@ static int snap_read_header(cls_method_context_t hctx, bufferlist& bl)
       snap_count * sizeof(struct rbd_obj_snap_ondisk) +
       snap_names_len;
 
-    rc = cls_cxx_read(hctx, 0, len, &bl);
+    int rc = cls_cxx_read(hctx, 0, len, &bl);
     if (rc < 0)
       return rc;