[FFmpeg-cvslog] lavfi: properly signal out-of-memory error in ff_filter_samples

[Reinhard Tartler]

ffmpeg | branch: master | Reinhard Tartler <siretart at tauware.de> | Sat Aug  4 15:24:15 2012 +0200| [800750417ffea64cde827de08e31e6523205f8d1] | committer: Reinhard Tartler

lavfi: properly signal out-of-memory error in ff_filter_samples

Found with a clang-scan report on http://fate.libav.org/csa/

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=800750417ffea64cde827de08e31e6523205f8d1
---

 libavfilter/audio.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavfilter/audio.c b/libavfilter/audio.c
index d518b24..bd718c6 100644
--- a/libavfilter/audio.c
+++ b/libavfilter/audio.c
@@ -172,6 +172,10 @@ int ff_filter_samples(AVFilterLink *link, AVFilterBufferRef *samplesref)
 
         buf_out = ff_default_get_audio_buffer(link, dst->min_perms,
                                               samplesref->audio->nb_samples);
+        if (!buf_out) {
+            avfilter_unref_buffer(samplesref);
+            return AVERROR(ENOMEM);
+        }
         buf_out->pts                = samplesref->pts;
         buf_out->audio->sample_rate = samplesref->audio->sample_rate;