wocky_jingle_session_parse: fix potential NULL deferencing

The caller of this function may pass NULL as @error so we shouldn't rely on
it.

1 files changed, 7 insertions, 3 deletions

diff --git a/wocky/wocky-jingle-session.c b/wocky/wocky-jingle-session.c
index 02a96b1..60933f4 100644
--- a/wocky/wocky-jingle-session.c
+++ b/wocky/wocky-jingle-session.c
@@ -1671,6 +1671,7 @@ wocky_jingle_session_parse (
   WockyJingleSessionPrivate *priv;
   WockyNode *iq_node, *session_node;
   const gchar *from, *action_name;
+  GError *e = NULL;
 
   g_return_val_if_fail (WOCKY_IS_JINGLE_SESSION (sess), FALSE);
   g_return_val_if_fail (WOCKY_IS_STANZA (stanza), FALSE);
@@ -1734,10 +1735,13 @@ wocky_jingle_session_parse (
       return FALSE;
     }
 
-  wocky_jingle_state_machine_dance (sess, action, session_node, error);
+  wocky_jingle_state_machine_dance (sess, action, session_node, &e);
 
-  if (*error != NULL)
-    return FALSE;
+  if (e != NULL)
+    {
+      g_propagate_error (error, e);
+      return FALSE;
+    }
 
   return TRUE;
 }