avcodec/mjpegdec: Check initializing Huffman tables

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index 776797d35b71982da4a1bcda62624bf46ddbb763..d0c933b52eb5d70806fafcd7972244a223a82ba4 100644 (file)
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -154,7 +154,8 @@ av_cold int ff_mjpeg_decode_init(AVCodecContext *avctx)
         if (ff_mjpeg_decode_dht(s)) {
             av_log(avctx, AV_LOG_ERROR,
                    "error using external huffman table, switching back to internal\n");
-            init_default_huffman_tables(s);
+            if ((ret = init_default_huffman_tables(s)) < 0)
+                return ret;
         }
     }
     if (avctx->field_order == AV_FIELD_BB) { /* quicktime icefloe 019 */