Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com>
---
 libavformat/swfdec.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/libavformat/swfdec.c b/libavformat/swfdec.c
index e427998744..7a74fa3ac7 100644
--- a/libavformat/swfdec.c
+++ b/libavformat/swfdec.c
@@ -146,13 +146,18 @@ static int swf_read_header(AVFormatContext *s)
         swf->zbuf_out = av_malloc(ZBUF_SIZE);
         swf->zpb = avio_alloc_context(swf->zbuf_out, ZBUF_SIZE, 0, s,
                                       zlib_refill, NULL, NULL);
-        if (!swf->zbuf_in || !swf->zbuf_out || !swf->zpb)
+        if (!swf->zbuf_in || !swf->zbuf_out || !swf->zpb) {
+            av_freep(&swf->zbuf_in);
+            av_freep(&swf->zbuf_out);
+            avio_context_free(&swf->zpb);
             return AVERROR(ENOMEM);
+        }
         swf->zpb->seekable = 0;
         if (inflateInit(&swf->zstream) != Z_OK) {
             av_log(s, AV_LOG_ERROR, "Unable to init zlib context\n");
             av_freep(&swf->zbuf_in);
             av_freep(&swf->zbuf_out);
+            avio_context_free(&swf->zpb);
             return AVERROR(EINVAL);
         }
         pb = swf->zpb;
-- 
2.25.1

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