opus_parser: fix leaking channel_maps on error

Make ff_opus_parse_extradata free allocated memory on error instead of
expecting callers to free it in that case.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/libavcodec/opusdec.c b/libavcodec/opusdec.c
index ec793c6c47..329f784182 100644
--- a/libavcodec/opusdec.c
+++ b/libavcodec/opusdec.c
@@ -646,7 +646,6 @@ static av_cold int opus_decode_init(AVCodecContext *avctx)
     /* find out the channel configuration */
     ret = ff_opus_parse_extradata(avctx, c);
     if (ret < 0) {
-        av_freep(&c->channel_maps);
         av_freep(&c->fdsp);
         return ret;
     }