avcodec/mxpegdec: Fix memleaks upon init failure

Reviewed-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index 6cf8014490..c2d946752e 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -2815,6 +2815,8 @@ the_end_no_picture:
     return buf_ptr - buf;
 }
 
+/* mxpeg may call the following function (with a blank MJpegDecodeContext)
+ * even without having called ff_mjpeg_decode_init(). */
 av_cold int ff_mjpeg_decode_end(AVCodecContext *avctx)
 {
     MJpegDecodeContext *s = avctx->priv_data;