bus: Fix a SEGV in bus_input_context_emit_signal

IBus engines can call 'RequireSurroundingText' for a fake input context if there is no input focus.
Shugyousha · May 23, 2018 · 8ab0b60 · 8ab0b60
1 parent 196216a
commit 8ab0b60
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/bus/inputcontext.c b/bus/inputcontext.c
@@ -716,7 +716,9 @@ bus_input_context_emit_signal (BusInputContext *context,
                                GError         **error)
 {
     if (context->connection == NULL) {
-        g_variant_unref (parameters);
+        /* fake context has no connections. */
+        if (parameters)
+            g_variant_unref (parameters);
         return TRUE;
     }