osd: OSD::_lookup_pool: avoid double lookup

Signed-off-by: Colin McCabe <colinm@hq.newdream.net>

diff --git a/src/osd/OSD.cc b/src/osd/OSD.cc
index 6aae9703daec7e12903807a831e2aa0b179788a6..386ce865893d3b765b21c0e5b0097790c7f555cf 100644 (file)
--- a/src/osd/OSD.cc
+++ b/src/osd/OSD.cc
@@ -842,9 +842,8 @@ void OSD::clear_temp()
 
 PGPool *OSD::_lookup_pool(int id)
 {
-  if (pool_map.count(id))
-    return pool_map[id];
-  return 0;
+  map<int, PGPool*>::iterator p = pool_map.find(id);
+  return (p == pool_map.end()) ? NULL : p->second;
 }
 
 PGPool* OSD::_get_pool(int id)