lavfi/earwax: add missing NULL check in filter_samples()

d034847f · Stefano Sabatini · 3af7919b · d034847f
Commit d034847f authored Nov 03, 2012 by Stefano Sabatini
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af_earwax.c libavfilter/af_earwax.c +2 -0

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--- a/libavfilter/af_earwax.c
+++ b/libavfilter/af_earwax.c
@@ -129,6 +129,8 @@ static int filter_samples(AVFilterLink *inlink, AVFilterBufferRef *insamples)
                                  insamples->audio->nb_samples);
    int ret;

+    if (!outsamples)
+        return AVERROR(ENOMEM);
    avfilter_copy_buffer_ref_props(outsamples, insamples);

    taps  = ((EarwaxContext *)inlink->dst->priv)->taps;