[FFmpeg-devel] [PATCH] avcodec/scpr3: add missing check for decode_value3() return value

James Almer jamrial at gmail.com
Fri Apr 26 18:31:19 EEST 2019


Fixes ticket #7866.

Signed-off-by: James Almer <jamrial at gmail.com>
---
 libavcodec/scpr3.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/scpr3.c b/libavcodec/scpr3.c
index f92ccfa902..5cfad9f4d2 100644
--- a/libavcodec/scpr3.c
+++ b/libavcodec/scpr3.c
@@ -1038,6 +1038,9 @@ static int decompress_p3(AVCodecContext *avctx,
                          s->range_model3.freqs[1],
                          s->range_model3.cnts,
                          s->range_model3.dectab, &temp);
+    if (ret < 0)
+        return ret;
+
     min += temp << 8;
     ret |= decode_value3(s, 255, &s->range_model3.cntsum,
                          s->range_model3.freqs[0],
-- 
2.21.0



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