key_value_store/cls_kvs.cc: prefer prefix --operator for iterators

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

diff --git a/src/key_value_store/cls_kvs.cc b/src/key_value_store/cls_kvs.cc
index 21c6ee6d96b5f94de28fe5b77b539551abe949a8..ab3095fe76362905aefa400ea5d3f22c0945d902 100644 (file)
--- a/src/key_value_store/cls_kvs.cc
+++ b/src/key_value_store/cls_kvs.cc
@@ -182,7 +182,7 @@ static int get_prev_idata(cls_method_context_t hctx, const index_data &idata,
     //it is the first object, there is no previous.
     return -ERANGE;
   } else {
-    it--;
+    --it;
   }
   out_data.kdata.parse(it->first);
   bufferlist::iterator b = it->second.begin();