[FFmpeg-cvslog] avfilter/af_afftfilt: add missing error check

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Mon Nov 20 13:42:59 2017 +0100| [5c7c0c5b580ea26c1aa83f94ec500105b5c07c31] | committer: Paul B Mahol

avfilter/af_afftfilt: add missing error check

Signed-off-by: Paul B Mahol <onemda at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5c7c0c5b580ea26c1aa83f94ec500105b5c07c31
---

 libavfilter/af_afftfilt.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libavfilter/af_afftfilt.c b/libavfilter/af_afftfilt.c
index 52755a1fb4..7f28e1f77b 100644
--- a/libavfilter/af_afftfilt.c
+++ b/libavfilter/af_afftfilt.c
@@ -197,8 +197,10 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
     int ch, n, ret, i, j, k;
     int start = s->start, end = s->end;
 
-    av_audio_fifo_write(s->fifo, (void **)frame->extended_data, frame->nb_samples);
+    ret = av_audio_fifo_write(s->fifo, (void **)frame->extended_data, frame->nb_samples);
     av_frame_free(&frame);
+    if (ret < 0)
+        return ret;
 
     while (av_audio_fifo_size(s->fifo) >= window_size) {
         if (!in) {
@@ -316,7 +318,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
     }
 
     av_frame_free(&in);
-    return ret;
+    return ret < 0 ? ret : 0;
 }
 
 static int query_formats(AVFilterContext *ctx)