[nautilus/wip/oholy/properties-window-critical-fix: 15/16] properties-window: Fix crashes when opened multiple times



commit 2fba37a2ddf56a9690e44b95525f52bb7ba53be9
Author: Ondrej Holy <oholy redhat com>
Date:   Thu Sep 26 11:07:35 2019 +0200

    properties-window: Fix crashes when opened multiple times
    
    Nautilus crashes with segmentation fault when closing the properties dialog
    after it has been opened mutliple times for the same file. This can't be
    reproduced over Nautilus as it uses modal dialogs, however, it can be simply
    reproduced over the Desktop Icons extension. Let's check the pending_key
    variable before used to be sure it is not NULL to fix this crashes.

 src/nautilus-properties-window.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/src/nautilus-properties-window.c b/src/nautilus-properties-window.c
index 0112aeb3c..f6b2f21a6 100644
--- a/src/nautilus-properties-window.c
+++ b/src/nautilus-properties-window.c
@@ -5297,7 +5297,10 @@ remove_pending (StartupData *startup_data,
         eel_timed_wait_stop
             (cancel_create_properties_window_callback, startup_data);
     }
-    g_hash_table_remove (pending_lists, startup_data->pending_key);
+    if (startup_data->pending_key != NULL)
+    {
+        g_hash_table_remove (pending_lists, startup_data->pending_key);
+    }
 }
 
 static gboolean


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