From 55d830f69a2ff3ca191d97862200d4cc480d25b7 Mon Sep 17 00:00:00 2001
From: Peter Ross <pross@xvid.org>
Date: Fri, 17 Apr 2020 22:35:43 +1000
Subject: [PATCH] avcodec/pngdec: set return value on
 av_stereo3d_create_side_data() failure

Signed-off-by: Peter Ross <pross@xvid.org>
Reviewed-by: Vittorio Giovara <vittorio.giovara@gmail.com>
---
 libavcodec/pngdec.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c
index 7e2c19bd57..12d4eb0610 100644
--- a/libavcodec/pngdec.c
+++ b/libavcodec/pngdec.c
@@ -1286,8 +1286,10 @@ static int decode_frame_common(AVCodecContext *avctx, PNGDecContext *s,
         case MKTAG('s', 'T', 'E', 'R'): {
             int mode = bytestream2_get_byte(&s->gb);
             AVStereo3D *stereo3d = av_stereo3d_create_side_data(p);
-            if (!stereo3d)
+            if (!stereo3d) {
+                ret = AVERROR(ENOMEM);
                 goto fail;
+            }
 
             if (mode == 0 || mode == 1) {
                 stereo3d->type  = AV_STEREO3D_SIDEBYSIDE;