[FFmpeg-cvslog] avfilter/vf_colorspace: fix memmory leaks

[Paul B Mahol]

ffmpeg | branch: release/4.2 | Paul B Mahol <onemda at gmail.com> | Fri Oct 18 10:48:22 2019 +0200| [7d4c2d90b3997542a2dece32a1234f3bc3629610] | committer: Michael Niedermayer

avfilter/vf_colorspace: fix memmory leaks

Fixes #8303

(cherry picked from commit fddef964e8aa4a2c123e470db1436a082ff6bcf3)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7d4c2d90b3997542a2dece32a1234f3bc3629610
---

 libavfilter/vf_colorspace.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/libavfilter/vf_colorspace.c b/libavfilter/vf_colorspace.c
index df6efffb3d..f651070adb 100644
--- a/libavfilter/vf_colorspace.c
+++ b/libavfilter/vf_colorspace.c
@@ -780,6 +780,7 @@ static int filter_frame(AVFilterLink *link, AVFrame *in)
     res = av_frame_copy_props(out, in);
     if (res < 0) {
         av_frame_free(&in);
+        av_frame_free(&out);
         return res;
     }
 
@@ -839,13 +840,18 @@ static int filter_frame(AVFilterLink *link, AVFrame *in)
             !s->dither_scratch_base[1][0] || !s->dither_scratch_base[1][1] ||
             !s->dither_scratch_base[2][0] || !s->dither_scratch_base[2][1]) {
             uninit(ctx);
+            av_frame_free(&in);
+            av_frame_free(&out);
             return AVERROR(ENOMEM);
         }
         s->rgb_sz = rgb_sz;
     }
     res = create_filtergraph(ctx, in, out);
-    if (res < 0)
+    if (res < 0) {
+        av_frame_free(&in);
+        av_frame_free(&out);
         return res;
+    }
     s->rgb_stride = rgb_stride / sizeof(int16_t);
     td.in = in;
     td.out = out;
@@ -859,8 +865,11 @@ static int filter_frame(AVFilterLink *link, AVFrame *in)
     td.out_ss_h = av_pix_fmt_desc_get(out->format)->log2_chroma_h;
     if (s->yuv2yuv_passthrough) {
         res = av_frame_copy(out, in);
-        if (res < 0)
+        if (res < 0) {
+            av_frame_free(&in);
+            av_frame_free(&out);
             return res;
+        }
     } else {
         ctx->internal->execute(ctx, convert, &td, NULL,
                                FFMIN((in->height + 1) >> 1, ff_filter_get_nb_threads(ctx)));