src/msg/msg_types.h: pass function parameter by reference

Fix "Function parameter 'm' should be passed by reference." from cppchecker.

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

diff --git a/src/msg/msg_types.h b/src/msg/msg_types.h
index 8f3d74bb00cc863508c9895d8388bdb9dd013938..e80639ead0bf84f8ddebeb44570182edb24e9308 100644 (file)
--- a/src/msg/msg_types.h
+++ b/src/msg/msg_types.h
@@ -142,7 +142,7 @@ inline std::ostream& operator<<(std::ostream& out, const ceph_entity_name& addr)
 namespace __gnu_cxx {
   template<> struct hash< entity_name_t >
   {
-    size_t operator()( const entity_name_t m ) const
+    size_t operator()( const entity_name_t &m ) const
     {
       return rjhash32(m.type() ^ m.num());
     }