[FFmpeg-cvslog] avcodec/nvdec_hevc: Fix off-by-one error

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Sat Aug  6 07:55:14 2022 +0200| [5e7eaabb42071ac7890daeeba53badfc53845137] | committer: Andreas Rheinhardt

avcodec/nvdec_hevc: Fix off-by-one error

Fixes Coverity issues #1442912, #1442913, #1442916 and #1442917.

Reviewed-by: Timo Rothenpieler <timo at rothenpieler.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5e7eaabb42071ac7890daeeba53badfc53845137
---

 libavcodec/nvdec_hevc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/nvdec_hevc.c b/libavcodec/nvdec_hevc.c
index 590278ba04..cd549d2ef6 100644
--- a/libavcodec/nvdec_hevc.c
+++ b/libavcodec/nvdec_hevc.c
@@ -204,8 +204,8 @@ static int nvdec_hevc_start_frame(AVCodecContext *avctx,
         ppc->row_height_minus1[i] = pps->row_height[i] - 1;
 
 #if NVDECAPI_CHECK_VERSION(9, 0)
-    if (pps->chroma_qp_offset_list_len_minus1 > FF_ARRAY_ELEMS(ppc->cb_qp_offset_list) ||
-        pps->chroma_qp_offset_list_len_minus1 > FF_ARRAY_ELEMS(ppc->cr_qp_offset_list)) {
+    if (pps->chroma_qp_offset_list_len_minus1 >= FF_ARRAY_ELEMS(ppc->cb_qp_offset_list) ||
+        pps->chroma_qp_offset_list_len_minus1 >= FF_ARRAY_ELEMS(ppc->cr_qp_offset_list)) {
         av_log(avctx, AV_LOG_ERROR, "Too many chroma_qp_offsets\n");
         return AVERROR(ENOSYS);
     }