gatserver: Add NULL check to avoid crash

Dundee is not waiting to receive the NO CARRIER notification
to close the IO channel with oFono so that oFono is trying to
send a NO CARRIER although GAtServer is removed.

diff --git a/gatchat/gatserver.c b/gatchat/gatserver.c
index 7c87c7a..e3cbb8f 100644 (file)
--- a/gatchat/gatserver.c
+++ b/gatchat/gatserver.c
@@ -222,6 +222,9 @@ static inline void send_final_numeric(GAtServer *server, GAtServerResult result)
 
 void g_at_server_send_final(GAtServer *server, GAtServerResult result)
 {
+       if (server == NULL)
+               return;
+
        if (server->final_sent != FALSE)
                return;