| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20190604093737.172599-5-acourbot@chromium.org>
Date: Tue, 4 Jun 2019 18:37:36 +0900
From: Alexandre Courbot <acourbot@...omium.org>
To: Tiffany Lin <tiffany.lin@...iatek.com>,
Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Yunfei Dong <yunfei.dong@...iatek.com>,
Hans Verkuil <hverkuil-cisco@...all.nl>
Cc: linux-media@...r.kernel.org, linux-mediatek@...ts.infradead.org,
linux-kernel@...r.kernel.org,
Alexandre Courbot <acourbot@...omium.org>
Subject: [PATCH 4/5] media: mtk-vcodec: constify formats
Formats are read-only internal memory structures, so make them const.
Signed-off-by: Alexandre Courbot <acourbot@...omium.org>
---
.../platform/mtk-vcodec/mtk_vcodec_dec.c | 19 ++++++++++---------
.../platform/mtk-vcodec/mtk_vcodec_drv.h | 2 +-
.../platform/mtk-vcodec/mtk_vcodec_enc.c | 19 ++++++++++---------
3 files changed, 21 insertions(+), 19 deletions(-)
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c
index 371e70d6a803..131a8117ece2 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c
@@ -19,7 +19,7 @@
#define DFT_CFG_WIDTH MTK_VDEC_MIN_W
#define DFT_CFG_HEIGHT MTK_VDEC_MIN_H
-static struct mtk_video_fmt mtk_video_formats[] = {
+static const struct mtk_video_fmt mtk_video_formats[] = {
{
.fourcc = V4L2_PIX_FMT_H264,
.type = MTK_FMT_DEC,
@@ -63,9 +63,9 @@ static const struct mtk_codec_framesizes mtk_vdec_framesizes[] = {
#define NUM_SUPPORTED_FRAMESIZE ARRAY_SIZE(mtk_vdec_framesizes)
#define NUM_FORMATS ARRAY_SIZE(mtk_video_formats)
-static struct mtk_video_fmt *mtk_vdec_find_format(struct v4l2_format *f)
+static const struct mtk_video_fmt *mtk_vdec_find_format(struct v4l2_format *f)
{
- struct mtk_video_fmt *fmt;
+ const struct mtk_video_fmt *fmt;
unsigned int k;
for (k = 0; k < NUM_FORMATS; k++) {
@@ -266,7 +266,7 @@ static void mtk_vdec_flush_decoder(struct mtk_vcodec_ctx *ctx)
static void mtk_vdec_update_fmt(struct mtk_vcodec_ctx *ctx,
unsigned int pixelformat)
{
- struct mtk_video_fmt *fmt;
+ const struct mtk_video_fmt *fmt;
struct mtk_q_data *dst_q_data;
unsigned int k;
@@ -639,7 +639,8 @@ static int vidioc_vdec_subscribe_evt(struct v4l2_fh *fh,
}
}
-static int vidioc_try_fmt(struct v4l2_format *f, struct mtk_video_fmt *fmt)
+static int vidioc_try_fmt(struct v4l2_format *f,
+ const struct mtk_video_fmt *fmt)
{
struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
int i;
@@ -712,7 +713,7 @@ static int vidioc_try_fmt(struct v4l2_format *f, struct mtk_video_fmt *fmt)
static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct mtk_video_fmt *fmt;
+ const struct mtk_video_fmt *fmt;
fmt = mtk_vdec_find_format(f);
if (!fmt) {
@@ -727,7 +728,7 @@ static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
struct v4l2_format *f)
{
struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
- struct mtk_video_fmt *fmt;
+ const struct mtk_video_fmt *fmt;
fmt = mtk_vdec_find_format(f);
if (!fmt) {
@@ -821,7 +822,7 @@ static int vidioc_vdec_s_fmt(struct file *file, void *priv,
struct v4l2_pix_format_mplane *pix_mp;
struct mtk_q_data *q_data;
int ret = 0;
- struct mtk_video_fmt *fmt;
+ const struct mtk_video_fmt *fmt;
mtk_v4l2_debug(3, "[%d]", ctx->id);
@@ -920,7 +921,7 @@ static int vidioc_enum_framesizes(struct file *file, void *priv,
static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool output_queue)
{
- struct mtk_video_fmt *fmt;
+ const struct mtk_video_fmt *fmt;
int i, j = 0;
for (i = 0; i < NUM_FORMATS; i++) {
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
index 4b10996e6532..0a29a0694124 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
@@ -124,7 +124,7 @@ struct mtk_q_data {
enum v4l2_field field;
unsigned int bytesperline[MTK_VCODEC_MAX_PLANES];
unsigned int sizeimage[MTK_VCODEC_MAX_PLANES];
- struct mtk_video_fmt *fmt;
+ const struct mtk_video_fmt *fmt;
};
/**
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
index 1a3845809b92..868147616da7 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
@@ -24,7 +24,7 @@
static void mtk_venc_worker(struct work_struct *work);
-static struct mtk_video_fmt mtk_video_formats[] = {
+static const struct mtk_video_fmt mtk_video_formats[] = {
{
.fourcc = V4L2_PIX_FMT_NV12M,
.type = MTK_FMT_FRAME,
@@ -153,7 +153,7 @@ static const struct v4l2_ctrl_ops mtk_vcodec_enc_ctrl_ops = {
static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool output_queue)
{
- struct mtk_video_fmt *fmt;
+ const struct mtk_video_fmt *fmt;
int i, j = 0;
for (i = 0; i < NUM_FORMATS; ++i) {
@@ -261,9 +261,9 @@ static struct mtk_q_data *mtk_venc_get_q_data(struct mtk_vcodec_ctx *ctx,
return &ctx->q_data[MTK_Q_DATA_DST];
}
-static struct mtk_video_fmt *mtk_venc_find_format(struct v4l2_format *f)
+static const struct mtk_video_fmt *mtk_venc_find_format(struct v4l2_format *f)
{
- struct mtk_video_fmt *fmt;
+ const struct mtk_video_fmt *fmt;
unsigned int k;
for (k = 0; k < NUM_FORMATS; k++) {
@@ -278,7 +278,8 @@ static struct mtk_video_fmt *mtk_venc_find_format(struct v4l2_format *f)
/* V4L2 specification suggests the driver corrects the format struct if any of
* the dimensions is unsupported
*/
-static int vidioc_try_fmt(struct v4l2_format *f, struct mtk_video_fmt *fmt)
+static int vidioc_try_fmt(struct v4l2_format *f,
+ const struct mtk_video_fmt *fmt)
{
struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
int i;
@@ -414,7 +415,7 @@ static int vidioc_venc_s_fmt_cap(struct file *file, void *priv,
struct vb2_queue *vq;
struct mtk_q_data *q_data;
int i, ret;
- struct mtk_video_fmt *fmt;
+ const struct mtk_video_fmt *fmt;
vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
if (!vq) {
@@ -476,7 +477,7 @@ static int vidioc_venc_s_fmt_out(struct file *file, void *priv,
struct vb2_queue *vq;
struct mtk_q_data *q_data;
int ret, i;
- struct mtk_video_fmt *fmt;
+ const struct mtk_video_fmt *fmt;
struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
@@ -575,7 +576,7 @@ static int vidioc_venc_g_fmt(struct file *file, void *priv,
static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct mtk_video_fmt *fmt;
+ const struct mtk_video_fmt *fmt;
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
fmt = mtk_venc_find_format(f);
@@ -594,7 +595,7 @@ static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv,
static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct mtk_video_fmt *fmt;
+ const struct mtk_video_fmt *fmt;
fmt = mtk_venc_find_format(f);
if (!fmt) {
--
2.22.0.rc1.311.g5d7573a151-goog
Powered by blists - more mailing lists