[plasma/kscreenlocker] greeter: greeter: don't crash if the authenticator is null

Git commit 63dd6d0e5ca3ee8cc2c46098c5cefb7b627285a1 by Xaver Hugl.
Committed on 18/08/2026 at 15:17.
Pushed by zamundaaa into branch 'master'.

greeter: don't crash if the authenticator is null

This happens for a short time on startup

M  +6    -6    greeter/pamauthenticators.cpp

https://invent.kde.org/plasma/kscreenlocker/-/commit/63dd6d0e5ca3ee8cc2c46098c5cefb7b627285a1

diff --git a/greeter/pamauthenticators.cpp b/greeter/pamauthenticators.cpp
index 1ed81c5c..ec3375be 100644
--- a/greeter/pamauthenticators.cpp
+++ b/greeter/pamauthenticators.cpp
@@ -264,32 +264,32 @@ void PamAuthenticators::onAuthenticatorChanged()
 
 bool PamAuthenticators::isBusy() const
 {
-    return d->m_activeAuthenticator->isBusy();
+    return d->m_activeAuthenticator && d->m_activeAuthenticator->isBusy();
 }
 
 bool PamAuthenticators::inPasswordDelay() const
 {
-    return d->m_activeAuthenticator->inPasswordDelay();
+    return d->m_activeAuthenticator && d->m_activeAuthenticator->inPasswordDelay();
 }
 
 QString PamAuthenticators::prompt() const
 {
-    return d->m_activeAuthenticator->getPrompt();
+    return d->m_activeAuthenticator ? d->m_activeAuthenticator->getPrompt() : QString();
 }
 
 QString PamAuthenticators::promptForSecret() const
 {
-    return d->m_activeAuthenticator->getPromptForSecret();
+    return d->m_activeAuthenticator ? d->m_activeAuthenticator->getPromptForSecret() : QString();
 }
 
 QString PamAuthenticators::infoMessage() const
 {
-    return d->m_activeAuthenticator->getInfoMessage();
+    return d->m_activeAuthenticator ? d->m_activeAuthenticator->getInfoMessage() : QString();
 }
 
 QString PamAuthenticators::errorMessage() const
 {
-    return d->m_activeAuthenticator->getErrorMessage();
+    return d->m_activeAuthenticator ? d->m_activeAuthenticator->getErrorMessage() : QString();
 }
 
 void PamAuthenticators::respond(const QByteArray &response)