vf_frei0r: prevent a segfault when filter parameters are not set

4e0be9c8 · Vittorio Giovara · 8accddeb · 4e0be9c8
Commit 4e0be9c8 authored Feb 27, 2014 by Vittorio Giovara
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vf_frei0r.c libavfilter/vf_frei0r.c +4 -0

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--- a/libavfilter/vf_frei0r.c
+++ b/libavfilter/vf_frei0r.c
@@ -459,6 +459,10 @@ static int source_config_props(AVFilterLink *outlink)
        av_log(ctx, AV_LOG_ERROR, "Impossible to load frei0r instance.\n");
        return AVERROR(EINVAL);
    }
+    if (!s->params) {
+        av_log(ctx, AV_LOG_ERROR, "frei0r filter parameters not set.\n");
+        return AVERROR(EINVAL);
+    }

    return set_params(ctx, s->params);
 }