rgw: Fix signed comparison warning

Signed-off-by: Adam C. Emerson <aemerson@redhat.com>

diff --git a/src/rgw/rgw_datalog.cc b/src/rgw/rgw_datalog.cc
index c8f7fabe6e092fbf7034dfcef7b6b0978fb2d561..bdfa7e5bacec4aee4675ae3fbeefd5d22aabfb28 100644 (file)
--- a/src/rgw/rgw_datalog.cc
+++ b/src/rgw/rgw_datalog.cc
@@ -728,7 +728,7 @@ int DataLogBackends::list(int shard, int max_entries,
     for (auto& g : gentries) {
       g.log_id = gencursor(gen_id, g.log_id);
     }
-    if (gentries.size() > max_entries)
+    if (int s = gentries.size(); s < 0 || s > max_entries)
       max_entries = 0;
     else
       max_entries -= gentries.size();