rtspsrc: Accept NULL for "port-range" property
The documentation of "port-range" implies that passing NULL should be valid, but currently it is not. Without this check, the sscanf() call will crash.
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@ -1574,7 +1574,7 @@ gst_rtspsrc_set_property (GObject * object, guint prop_id, const GValue * value,
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const gchar *str;
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str = g_value_get_string (value);
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if (sscanf (str, "%u-%u", &rtspsrc->client_port_range.min,
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if (str == NULL || sscanf (str, "%u-%u", &rtspsrc->client_port_range.min,
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&rtspsrc->client_port_range.max) != 2) {
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rtspsrc->client_port_range.min = 0;
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rtspsrc->client_port_range.max = 0;
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