linux-kernel - [PATCH] media: hevc: fix pictures lists type

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Message-Id: <20210823082949.237716-1-benjamin.gaignard@collabora.com>
Date:   Mon, 23 Aug 2021 10:29:49 +0200
From:   Benjamin Gaignard <benjamin.gaignard@...labora.com>
To:     mchehab@...nel.org, hverkuil-cisco@...all.nl, jc@...esim.co.uk,
        nicolas@...fresne.ca
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...labora.com,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>
Subject: [PATCH] media: hevc: fix pictures lists type

The lists embedded Picture Order Count values which are s32 so their type
most be s32 and not u8.

Reported-by: John Cox <jc@...esim.co.uk>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...labora.com>
---
 Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst | 6 +++---
 include/media/hevc-ctrls.h                                | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
index 976d34445a24..db9859ddc8b2 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
@@ -3323,15 +3323,15 @@ enum v4l2_mpeg_video_hevc_size_of_length_field -
     * - __u8
       - ``num_poc_lt_curr``
       - The number of reference pictures in the long-term set.
-    * - __u8
+    * - __s32
       - ``poc_st_curr_before[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]``
       - PocStCurrBefore as described in section 8.3.2 "Decoding process for reference
         picture set.
-    * - __u8
+    * - __s32
       - ``poc_st_curr_after[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]``
       - PocStCurrAfter as described in section 8.3.2 "Decoding process for reference
         picture set.
-    * - __u8
+    * - __s32
       - ``poc_lt_curr[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]``
       - PocLtCurr as described in section 8.3.2 "Decoding process for reference
         picture set.
diff --git a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h
index 781371bff2ad..04cd62e77f25 100644
--- a/include/media/hevc-ctrls.h
+++ b/include/media/hevc-ctrls.h
@@ -219,9 +219,9 @@ struct v4l2_ctrl_hevc_decode_params {
 	__u8	num_poc_st_curr_before;
 	__u8	num_poc_st_curr_after;
 	__u8	num_poc_lt_curr;
-	__u8	poc_st_curr_before[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
-	__u8	poc_st_curr_after[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
-	__u8	poc_lt_curr[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
+	__s32	poc_st_curr_before[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
+	__s32	poc_st_curr_after[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
+	__s32	poc_lt_curr[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
 	__u64	flags;
 };
 
-- 
2.25.1