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v4l2sink: Protect against NULL-pointer access

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gst_v4l2sink_change_state() would free the pool without checking whether there
was a valid pool...
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IOhannes m zmölnig 2010-09-30 15:28:23 +02:00 committed by Sebastian Dröge
parent 0aace5a0f3
commit 4ba93e9f1a
1 changed files with 2 additions and 1 deletions
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3
sys/v4l2/gstv4l2sink.c
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@ -461,7 +461,8 @@ gst_v4l2sink_change_state (GstElement * element, GstStateChange transition)
} }
break; break;
case GST_STATE_CHANGE_READY_TO_NULL: case GST_STATE_CHANGE_READY_TO_NULL:
gst_v4l2_buffer_pool_destroy (v4l2sink->pool); if (NULL != v4l2sink->pool)
gst_v4l2_buffer_pool_destroy (v4l2sink->pool);
v4l2sink->pool = NULL; v4l2sink->pool = NULL;
/* close the device */ /* close the device */
if (!gst_v4l2_object_stop (v4l2sink->v4l2object)) if (!gst_v4l2_object_stop (v4l2sink->v4l2object))