From 0c6e50b77e10093ab6cfe8de0d7295c3501fbf64 Mon Sep 17 00:00:00 2001
From: Benjamin Berg <bberg@redhat.com>
Date: Fri, 21 Aug 2020 12:14:32 +0200
Subject: manager: Fix possible crash by initializing display

Some people insist on running sessions in ways where we cannot detect
them properly. In that case, we shouldn't find a display, but the
variable was not initialized and we could end up accessing random memory
resulting in a crash.

Fix it by adding the missing initializer.

Closes: #555
---
 daemon/gdm-manager.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/daemon/gdm-manager.c b/daemon/gdm-manager.c
index efcce9b6..25beecb5 100644
--- a/daemon/gdm-manager.c
+++ b/daemon/gdm-manager.c
@@ -811,7 +811,7 @@ gdm_manager_handle_register_session (GdmDBusManager        *manager,
                                      GVariant              *details)
 {
         GdmManager      *self = GDM_MANAGER (manager);
-        GdmDisplay      *display;
+        GdmDisplay      *display = NULL;
         const char      *sender;
         GDBusConnection *connection;
 
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