loplugin:passstuffbyref improved return in sw

Change-Id: I4484ac461761e4c46364b4f473c7e62f8ec72103
Reviewed-on: https://gerrit.libreoffice.org/47243
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

4 files changed, 6 insertions, 6 deletions

diff --git a/xmlsecurity/inc/documentsignaturemanager.hxx b/xmlsecurity/inc/documentsignaturemanager.hxx
index f1cc8293de42..8a3837ded39b 100644
--- a/xmlsecurity/inc/documentsignaturemanager.hxx
+++ b/xmlsecurity/inc/documentsignaturemanager.hxx
@@ -81,8 +81,8 @@ public:
     /// Get the security environment.
     css::uno::Reference<css::xml::crypto::XSecurityEnvironment> getSecurityEnvironment();
     css::uno::Reference<css::xml::crypto::XSecurityEnvironment> getGpgSecurityEnvironment();
-    css::uno::Reference<css::xml::crypto::XXMLSecurityContext> getSecurityContext();
-    css::uno::Reference<css::xml::crypto::XXMLSecurityContext> getGpgSecurityContext();
+    css::uno::Reference<css::xml::crypto::XXMLSecurityContext> const & getSecurityContext();
+    css::uno::Reference<css::xml::crypto::XXMLSecurityContext> const & getGpgSecurityContext();
 };
 
 #endif // INCLUDED_XMLSECURITY_INC_DOCUMENTSIGNATUREMANAGER_HXX
diff --git a/xmlsecurity/inc/pdfsignaturehelper.hxx b/xmlsecurity/inc/pdfsignaturehelper.hxx
index 7b89acb50aaa..392331832963 100644
--- a/xmlsecurity/inc/pdfsignaturehelper.hxx
+++ b/xmlsecurity/inc/pdfsignaturehelper.hxx
@@ -33,7 +33,7 @@ public:
     PDFSignatureHelper();
     bool ReadAndVerifySignature(const css::uno::Reference<css::io::XInputStream>& xInputStream);
     css::uno::Sequence<css::security::DocumentSignatureInformation> GetDocumentSignatureInformations(const css::uno::Reference<css::xml::crypto::XSecurityEnvironment>& xSecEnv) const;
-    SignatureInformations GetSignatureInformations() const;
+    SignatureInformations const & GetSignatureInformations() const;
 
     /// Return the ID of the next created signature.
     sal_Int32 GetNewSecurityId() const;
diff --git a/xmlsecurity/source/helper/documentsignaturemanager.cxx b/xmlsecurity/source/helper/documentsignaturemanager.cxx
index fd88d0a52e7e..9fb36dbb699e 100644
--- a/xmlsecurity/source/helper/documentsignaturemanager.cxx
+++ b/xmlsecurity/source/helper/documentsignaturemanager.cxx
@@ -571,12 +571,12 @@ uno::Reference<xml::crypto::XSecurityEnvironment> DocumentSignatureManager::getG
     return mxGpgSecurityContext.is() ? mxGpgSecurityContext->getSecurityEnvironment() : uno::Reference<xml::crypto::XSecurityEnvironment>();
 }
 
-uno::Reference<xml::crypto::XXMLSecurityContext> DocumentSignatureManager::getSecurityContext()
+uno::Reference<xml::crypto::XXMLSecurityContext> const & DocumentSignatureManager::getSecurityContext()
 {
     return mxSecurityContext;
 }
 
-uno::Reference<xml::crypto::XXMLSecurityContext> DocumentSignatureManager::getGpgSecurityContext()
+uno::Reference<xml::crypto::XXMLSecurityContext> const & DocumentSignatureManager::getGpgSecurityContext()
 {
     return mxGpgSecurityContext;
 }
diff --git a/xmlsecurity/source/helper/pdfsignaturehelper.cxx b/xmlsecurity/source/helper/pdfsignaturehelper.cxx
index 5356705f7b17..c75266d8626e 100644
--- a/xmlsecurity/source/helper/pdfsignaturehelper.cxx
+++ b/xmlsecurity/source/helper/pdfsignaturehelper.cxx
@@ -62,7 +62,7 @@ bool PDFSignatureHelper::ReadAndVerifySignature(const uno::Reference<io::XInputS
     return true;
 }
 
-SignatureInformations PDFSignatureHelper::GetSignatureInformations() const
+SignatureInformations const & PDFSignatureHelper::GetSignatureInformations() const
 {
     return m_aSignatureInfos;
 }