If dnsproxy is not in use, like when connman has been started
with -r option, then the listener_table will be NULL which can
cause crash in hash table lookup call.
---
src/dnsproxy.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/dnsproxy.c b/src/dnsproxy.c
index f698cfd..787500b 100644
--- a/src/dnsproxy.c
+++ b/src/dnsproxy.c
@@ -2916,6 +2916,9 @@ int __connman_dnsproxy_add_listener(int index)
if (index < 0)
return -EINVAL;
+ if (listener_table == NULL)
+ return 0;
+
if (g_hash_table_lookup(listener_table, GINT_TO_POINTER(index)) != NULL)
return 0;
--
1.7.11.4
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