Extensions: do not wait on widget if dialog is deleted

If the dialog is about to be deleted, it's too late to care about
the widget (it has already been removed from the UI).

diff --git a/modules/misc/lua/libs/dialog.c b/modules/misc/lua/libs/dialog.c
index ffb2ec0c91f3ad6e9a90ba93d4abe8670918611c..2364dc69ab31e58f047f003a17b020d4f44ddd5c 100644 (file)
--- a/modules/misc/lua/libs/dialog.c
+++ b/modules/misc/lua/libs/dialog.c
@@ -862,8 +862,12 @@ static int vlclua_dialog_delete_widget( lua_State *L )
 
     vlc_mutex_lock( &p_dlg->lock );
 
-    /* Same remarks as for dialog delete */
-    while( p_widget->p_sys_intf != NULL )
+    /* Same remarks as for dialog delete.
+     * If the dialog is deleted or about to be deleted, then there is no
+     * need to wait on this particular widget that already doesn't exist
+     * anymore in the UI */
+    while( p_widget->p_sys_intf != NULL && !p_dlg->b_kill
+           && p_dlg->p_sys_intf != NULL )
     {
         vlc_cond_wait( &p_dlg->cond, &p_dlg->lock );
     }