X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fsubwindows%2Fsubwindowbase.cpp;h=f81b35821e8b0cb4ae0d4472f6275518fb8d7472;hp=de08c4409ca452f7b5255b1c7ab69dfc46bee193;hb=1fd847fedce2d8b93080ee7cd4d8c86aa916f6d2;hpb=c52493c97570bfef5e4efb50e9f115da562ecf06

diff --git a/pv/subwindows/subwindowbase.cpp b/pv/subwindows/subwindowbase.cpp
index de08c440..f81b3582 100644
--- a/pv/subwindows/subwindowbase.cpp
+++ b/pv/subwindows/subwindowbase.cpp
@@ -67,7 +67,7 @@ unordered_set< shared_ptr<data::SignalBase> > SubWindowBase::signalbases() const
 
 void SubWindowBase::clear_signalbases()
 {
-	for (shared_ptr<data::SignalBase> signalbase : signalbases_) {
+	for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) {
 		disconnect(signalbase.get(), SIGNAL(samples_cleared()),
 			this, SLOT(on_data_updated()));
 		disconnect(signalbase.get(), SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)),