[FFmpeg-cvslog] avcodec/vp9: Use av_freep() instead of av_free()

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Thu Sep  2 13:39:12 2021 +0200| [b0ee627ef9344a2606834806bdc8c64630495d07] | committer: Andreas Rheinhardt

avcodec/vp9: Use av_freep() instead of av_free()

Otherwise the context would be in an inconsistent state
if vp9_alloc_entries() failed (and if this would be checked).

Reviewed-by: Paul B Mahol <onemda at gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b0ee627ef9344a2606834806bdc8c64630495d07
---

 libavcodec/vp9.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/vp9.c b/libavcodec/vp9.c
index 8eb57eb8e6..8bdcb86625 100644
--- a/libavcodec/vp9.c
+++ b/libavcodec/vp9.c
@@ -790,7 +790,7 @@ static int decode_frame_header(AVCodecContext *avctx,
         if (s->td) {
             for (i = 0; i < s->active_tile_cols; i++)
                 vp9_tile_data_free(&s->td[i]);
-            av_free(s->td);
+            av_freep(&s->td);
         }
 
         s->s.h.tiling.tile_cols = 1 << s->s.h.tiling.log2_tile_cols;