clang-tidy performance-unnecessary-value-param in various

Change-Id: I7168d44dab8e6a8e37bb7920d744ff32f5e52907
Reviewed-on: https://gerrit.libreoffice.org/24019
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/io/source/acceptor/acc_socket.cxx b/io/source/acceptor/acc_socket.cxx
index 0a1edc597af7..ae02856ea594 100644
--- a/io/source/acceptor/acc_socket.cxx
+++ b/io/source/acceptor/acc_socket.cxx
@@ -127,7 +127,7 @@ namespace io_acceptor {
             t(listener);
     }
 
-    static void callStarted(Reference<XStreamListener> xStreamListener)
+    static void callStarted(const Reference<XStreamListener>& xStreamListener)
     {
         xStreamListener->started();
     }
@@ -137,7 +137,7 @@ namespace io_acceptor {
 
         explicit callError(const Any & any);
 
-        void operator () (Reference<XStreamListener> xStreamListener);
+        void operator () (const Reference<XStreamListener>& xStreamListener);
     };
 
     callError::callError(const Any & aAny)
@@ -145,12 +145,12 @@ namespace io_acceptor {
     {
     }
 
-    void callError::operator () (Reference<XStreamListener> xStreamListener)
+    void callError::operator () (const Reference<XStreamListener>& xStreamListener)
     {
         xStreamListener->error(any);
     }
 
-    static void callClosed(Reference<XStreamListener> xStreamListener)
+    static void callClosed(const Reference<XStreamListener>& xStreamListener)
     {
         xStreamListener->closed();
     }