rgw: Fix signed comparison warning

Signed-off-by: Adam C. Emerson <aemerson@redhat.com>
(cherry picked from commit aee46aaa500e6e27e64f08966772294762f6f08f)

diff --git a/src/rgw/rgw_datalog.cc b/src/rgw/rgw_datalog.cc
index cb5cba7269fb1497b28cc03e808095b4318a0b5e..6184d7a80f6adb08fd8a4030cc3b7a9b2371ee2b 100644 (file)
--- a/src/rgw/rgw_datalog.cc
+++ b/src/rgw/rgw_datalog.cc
@@ -727,7 +727,7 @@ 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();