[FFmpeg-cvslog] avformat/jpegxl_anim_dec: Perform operations in a different order

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Sun Jun 18 23:50:16 2023 +0200| [9fc141f32d52099a6bfeba6e4e7ee2ce7fadc833] | committer: Leo Izen

avformat/jpegxl_anim_dec: Perform operations in a different order

Fixes: OOM
Fixes: 59802/clusterfuzz-testcase-minimized-ffmpeg_dem_JPEGXL_ANIM_fuzzer-5681765466112000

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9fc141f32d52099a6bfeba6e4e7ee2ce7fadc833
---

 libavformat/jpegxl_anim_dec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/jpegxl_anim_dec.c b/libavformat/jpegxl_anim_dec.c
index ec400c955c..8d6ea5005c 100644
--- a/libavformat/jpegxl_anim_dec.c
+++ b/libavformat/jpegxl_anim_dec.c
@@ -231,7 +231,7 @@ static int jpegxl_anim_read_packet(AVFormatContext *s, AVPacket *pkt)
     if (ctx->initial && size < ctx->initial->size)
         size = ctx->initial->size;
 
-    if ((ret = av_new_packet(pkt, size) < 0))
+    if ((ret = av_new_packet(pkt, size)) < 0)
         return ret;
 
     if (ctx->initial) {