audioencoder: fix null pointer dereference

- Guard against GstAudioEncode NULL dereference.

Change-Id: Icd33ee405408aeea4d75b392623d3abd352dfce2
Signed-off-by: Park Kyoung Won <kw0712.park@samsung.com>

diff --git a/src/gstmaruaudenc.c b/src/gstmaruaudenc.c
index cd7d939..e661a1e 100644 (file)
--- a/src/gstmaruaudenc.c
+++ b/src/gstmaruaudenc.c
@@ -259,6 +259,11 @@ gst_maruaudenc_set_format (GstAudioEncoder *encoder, GstAudioInfo *info)
   GstCaps *icaps;
   gsize frame_size;
 
+  if (!maruaudenc) {
+    GST_ERROR("invalid maru audio encoder");
+    return FALSE;
+  }
+
   GstMaruAudEncClass *oclass =
     (GstMaruAudEncClass *) (G_OBJECT_GET_CLASS (maruaudenc));