cls_rgw: check pointer before dereferencing

Fixes coverity issue 719577

Signed-off-by: Yehuda Sadeh <yehuda@inktank.com>

diff --git a/src/cls/rgw/cls_rgw.cc b/src/cls/rgw/cls_rgw.cc
index 4095ecc5529a1efbcace070b0ab06ab8d1854bdf..c035be030e42d5e5487f7025e05df0c4581fdc73 100644 (file)
--- a/src/cls/rgw/cls_rgw.cc
+++ b/src/cls/rgw/cls_rgw.cc
@@ -1023,7 +1023,8 @@ static int gc_iterate_entries(cls_method_context_t hctx, const string& marker,
         return ret;
 
       if (max_entries && (i >= max_entries)) {
-        *truncated = true;
+        if (truncated)
+          *truncated = true;
         key_iter = key;
         return 0;
       }