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From: Hans Verkuil <hverkuil@xs4all.nl>
To: linux-media@vger.kernel.org
Cc: Daniel Mentz <danielmentz@google.com>,
	Hans Verkuil <hans.verkuil@cisco.com>
Subject: [PATCH 02/12] v4l2-ioctl.c: use check_fmt for enum/g/s/try_fmt
Date: Fri, 26 Jan 2018 13:43:17 +0100	[thread overview]
Message-ID: <20180126124327.16653-3-hverkuil@xs4all.nl> (raw)
In-Reply-To: <20180126124327.16653-1-hverkuil@xs4all.nl>

From: Hans Verkuil <hans.verkuil@cisco.com>

Don't duplicate the buffer type checks in enum/g/s/try_fmt.
The check_fmt function does that already.

It is hard to keep the checks in sync for all these functions and
in fact the check for VBI was wrong in the _fmt functions as it
allowed SDR types as well. This caused a v4l2-compliance failure
for /dev/swradio0 using vivid.

This simplifies the code and keeps the check in one place and
fixes the SDR/VBI bug.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
---
 drivers/media/v4l2-core/v4l2-ioctl.c | 140 ++++++++++++++---------------------
 1 file changed, 54 insertions(+), 86 deletions(-)

diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 59d2100eeff6..c7f6b65d3ad7 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1316,52 +1316,50 @@ static int v4l_enum_fmt(const struct v4l2_ioctl_ops *ops,
 				struct file *file, void *fh, void *arg)
 {
 	struct v4l2_fmtdesc *p = arg;
-	struct video_device *vfd = video_devdata(file);
-	bool is_vid = vfd->vfl_type == VFL_TYPE_GRABBER;
-	bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR;
-	bool is_tch = vfd->vfl_type == VFL_TYPE_TOUCH;
-	bool is_rx = vfd->vfl_dir != VFL_DIR_TX;
-	bool is_tx = vfd->vfl_dir != VFL_DIR_RX;
-	int ret = -EINVAL;
+	int ret = check_fmt(file, p->type);
+
+	if (ret)
+		return ret;
+	ret = -EINVAL;
 
 	switch (p->type) {
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-		if (unlikely(!is_rx || (!is_vid && !is_tch) || !ops->vidioc_enum_fmt_vid_cap))
+		if (unlikely(!ops->vidioc_enum_fmt_vid_cap))
 			break;
 		ret = ops->vidioc_enum_fmt_vid_cap(file, fh, arg);
 		break;
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
-		if (unlikely(!is_rx || !is_vid || !ops->vidioc_enum_fmt_vid_cap_mplane))
+		if (unlikely(!ops->vidioc_enum_fmt_vid_cap_mplane))
 			break;
 		ret = ops->vidioc_enum_fmt_vid_cap_mplane(file, fh, arg);
 		break;
 	case V4L2_BUF_TYPE_VIDEO_OVERLAY:
-		if (unlikely(!is_rx || !is_vid || !ops->vidioc_enum_fmt_vid_overlay))
+		if (unlikely(!ops->vidioc_enum_fmt_vid_overlay))
 			break;
 		ret = ops->vidioc_enum_fmt_vid_overlay(file, fh, arg);
 		break;
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT:
-		if (unlikely(!is_tx || !is_vid || !ops->vidioc_enum_fmt_vid_out))
+		if (unlikely(!ops->vidioc_enum_fmt_vid_out))
 			break;
 		ret = ops->vidioc_enum_fmt_vid_out(file, fh, arg);
 		break;
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
-		if (unlikely(!is_tx || !is_vid || !ops->vidioc_enum_fmt_vid_out_mplane))
+		if (unlikely(!ops->vidioc_enum_fmt_vid_out_mplane))
 			break;
 		ret = ops->vidioc_enum_fmt_vid_out_mplane(file, fh, arg);
 		break;
 	case V4L2_BUF_TYPE_SDR_CAPTURE:
-		if (unlikely(!is_rx || !is_sdr || !ops->vidioc_enum_fmt_sdr_cap))
+		if (unlikely(!ops->vidioc_enum_fmt_sdr_cap))
 			break;
 		ret = ops->vidioc_enum_fmt_sdr_cap(file, fh, arg);
 		break;
 	case V4L2_BUF_TYPE_SDR_OUTPUT:
-		if (unlikely(!is_tx || !is_sdr || !ops->vidioc_enum_fmt_sdr_out))
+		if (unlikely(!ops->vidioc_enum_fmt_sdr_out))
 			break;
 		ret = ops->vidioc_enum_fmt_sdr_out(file, fh, arg);
 		break;
 	case V4L2_BUF_TYPE_META_CAPTURE:
-		if (unlikely(!is_rx || !is_vid || !ops->vidioc_enum_fmt_meta_cap))
+		if (unlikely(!ops->vidioc_enum_fmt_meta_cap))
 			break;
 		ret = ops->vidioc_enum_fmt_meta_cap(file, fh, arg);
 		break;
@@ -1375,13 +1373,10 @@ static int v4l_g_fmt(const struct v4l2_ioctl_ops *ops,
 				struct file *file, void *fh, void *arg)
 {
 	struct v4l2_format *p = arg;
-	struct video_device *vfd = video_devdata(file);
-	bool is_vid = vfd->vfl_type == VFL_TYPE_GRABBER;
-	bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR;
-	bool is_tch = vfd->vfl_type == VFL_TYPE_TOUCH;
-	bool is_rx = vfd->vfl_dir != VFL_DIR_TX;
-	bool is_tx = vfd->vfl_dir != VFL_DIR_RX;
-	int ret;
+	int ret = check_fmt(file, p->type);
+
+	if (ret)
+		return ret;
 
 	/*
 	 * fmt can't be cleared for these overlay types due to the 'clips'
@@ -1409,7 +1404,7 @@ static int v4l_g_fmt(const struct v4l2_ioctl_ops *ops,
 
 	switch (p->type) {
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-		if (unlikely(!is_rx || (!is_vid && !is_tch) || !ops->vidioc_g_fmt_vid_cap))
+		if (unlikely(!ops->vidioc_g_fmt_vid_cap))
 			break;
 		p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC;
 		ret = ops->vidioc_g_fmt_vid_cap(file, fh, arg);
@@ -1417,23 +1412,15 @@ static int v4l_g_fmt(const struct v4l2_ioctl_ops *ops,
 		p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC;
 		return ret;
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
-		if (unlikely(!is_rx || !is_vid || !ops->vidioc_g_fmt_vid_cap_mplane))
-			break;
 		return ops->vidioc_g_fmt_vid_cap_mplane(file, fh, arg);
 	case V4L2_BUF_TYPE_VIDEO_OVERLAY:
-		if (unlikely(!is_rx || !is_vid || !ops->vidioc_g_fmt_vid_overlay))
-			break;
 		return ops->vidioc_g_fmt_vid_overlay(file, fh, arg);
 	case V4L2_BUF_TYPE_VBI_CAPTURE:
-		if (unlikely(!is_rx || is_vid || !ops->vidioc_g_fmt_vbi_cap))
-			break;
 		return ops->vidioc_g_fmt_vbi_cap(file, fh, arg);
 	case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
-		if (unlikely(!is_rx || is_vid || !ops->vidioc_g_fmt_sliced_vbi_cap))
-			break;
 		return ops->vidioc_g_fmt_sliced_vbi_cap(file, fh, arg);
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT:
-		if (unlikely(!is_tx || !is_vid || !ops->vidioc_g_fmt_vid_out))
+		if (unlikely(!ops->vidioc_g_fmt_vid_out))
 			break;
 		p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC;
 		ret = ops->vidioc_g_fmt_vid_out(file, fh, arg);
@@ -1441,32 +1428,18 @@ static int v4l_g_fmt(const struct v4l2_ioctl_ops *ops,
 		p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC;
 		return ret;
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
-		if (unlikely(!is_tx || !is_vid || !ops->vidioc_g_fmt_vid_out_mplane))
-			break;
 		return ops->vidioc_g_fmt_vid_out_mplane(file, fh, arg);
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
-		if (unlikely(!is_tx || !is_vid || !ops->vidioc_g_fmt_vid_out_overlay))
-			break;
 		return ops->vidioc_g_fmt_vid_out_overlay(file, fh, arg);
 	case V4L2_BUF_TYPE_VBI_OUTPUT:
-		if (unlikely(!is_tx || is_vid || !ops->vidioc_g_fmt_vbi_out))
-			break;
 		return ops->vidioc_g_fmt_vbi_out(file, fh, arg);
 	case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
-		if (unlikely(!is_tx || is_vid || !ops->vidioc_g_fmt_sliced_vbi_out))
-			break;
 		return ops->vidioc_g_fmt_sliced_vbi_out(file, fh, arg);
 	case V4L2_BUF_TYPE_SDR_CAPTURE:
-		if (unlikely(!is_rx || !is_sdr || !ops->vidioc_g_fmt_sdr_cap))
-			break;
 		return ops->vidioc_g_fmt_sdr_cap(file, fh, arg);
 	case V4L2_BUF_TYPE_SDR_OUTPUT:
-		if (unlikely(!is_tx || !is_sdr || !ops->vidioc_g_fmt_sdr_out))
-			break;
 		return ops->vidioc_g_fmt_sdr_out(file, fh, arg);
 	case V4L2_BUF_TYPE_META_CAPTURE:
-		if (unlikely(!is_rx || !is_vid || !ops->vidioc_g_fmt_meta_cap))
-			break;
 		return ops->vidioc_g_fmt_meta_cap(file, fh, arg);
 	}
 	return -EINVAL;
@@ -1492,12 +1465,10 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops,
 {
 	struct v4l2_format *p = arg;
 	struct video_device *vfd = video_devdata(file);
-	bool is_vid = vfd->vfl_type == VFL_TYPE_GRABBER;
-	bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR;
-	bool is_tch = vfd->vfl_type == VFL_TYPE_TOUCH;
-	bool is_rx = vfd->vfl_dir != VFL_DIR_TX;
-	bool is_tx = vfd->vfl_dir != VFL_DIR_RX;
-	int ret;
+	int ret = check_fmt(file, p->type);
+
+	if (ret)
+		return ret;
 
 	ret = v4l_enable_media_source(vfd);
 	if (ret)
@@ -1506,37 +1477,37 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops,
 
 	switch (p->type) {
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-		if (unlikely(!is_rx || (!is_vid && !is_tch) || !ops->vidioc_s_fmt_vid_cap))
+		if (unlikely(!ops->vidioc_s_fmt_vid_cap))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.pix);
 		ret = ops->vidioc_s_fmt_vid_cap(file, fh, arg);
 		/* just in case the driver zeroed it again */
 		p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC;
-		if (is_tch)
+		if (vfd->vfl_type == VFL_TYPE_TOUCH)
 			v4l_pix_format_touch(&p->fmt.pix);
 		return ret;
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
-		if (unlikely(!is_rx || !is_vid || !ops->vidioc_s_fmt_vid_cap_mplane))
+		if (unlikely(!ops->vidioc_s_fmt_vid_cap_mplane))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
 		return ops->vidioc_s_fmt_vid_cap_mplane(file, fh, arg);
 	case V4L2_BUF_TYPE_VIDEO_OVERLAY:
-		if (unlikely(!is_rx || !is_vid || !ops->vidioc_s_fmt_vid_overlay))
+		if (unlikely(!ops->vidioc_s_fmt_vid_overlay))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.win);
 		return ops->vidioc_s_fmt_vid_overlay(file, fh, arg);
 	case V4L2_BUF_TYPE_VBI_CAPTURE:
-		if (unlikely(!is_rx || is_vid || !ops->vidioc_s_fmt_vbi_cap))
+		if (unlikely(!ops->vidioc_s_fmt_vbi_cap))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.vbi);
 		return ops->vidioc_s_fmt_vbi_cap(file, fh, arg);
 	case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
-		if (unlikely(!is_rx || is_vid || !ops->vidioc_s_fmt_sliced_vbi_cap))
+		if (unlikely(!ops->vidioc_s_fmt_sliced_vbi_cap))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.sliced);
 		return ops->vidioc_s_fmt_sliced_vbi_cap(file, fh, arg);
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT:
-		if (unlikely(!is_tx || !is_vid || !ops->vidioc_s_fmt_vid_out))
+		if (unlikely(!ops->vidioc_s_fmt_vid_out))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.pix);
 		ret = ops->vidioc_s_fmt_vid_out(file, fh, arg);
@@ -1544,37 +1515,37 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops,
 		p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC;
 		return ret;
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
-		if (unlikely(!is_tx || !is_vid || !ops->vidioc_s_fmt_vid_out_mplane))
+		if (unlikely(!ops->vidioc_s_fmt_vid_out_mplane))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
 		return ops->vidioc_s_fmt_vid_out_mplane(file, fh, arg);
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
-		if (unlikely(!is_tx || !is_vid || !ops->vidioc_s_fmt_vid_out_overlay))
+		if (unlikely(!ops->vidioc_s_fmt_vid_out_overlay))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.win);
 		return ops->vidioc_s_fmt_vid_out_overlay(file, fh, arg);
 	case V4L2_BUF_TYPE_VBI_OUTPUT:
-		if (unlikely(!is_tx || is_vid || !ops->vidioc_s_fmt_vbi_out))
+		if (unlikely(!ops->vidioc_s_fmt_vbi_out))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.vbi);
 		return ops->vidioc_s_fmt_vbi_out(file, fh, arg);
 	case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
-		if (unlikely(!is_tx || is_vid || !ops->vidioc_s_fmt_sliced_vbi_out))
+		if (unlikely(!ops->vidioc_s_fmt_sliced_vbi_out))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.sliced);
 		return ops->vidioc_s_fmt_sliced_vbi_out(file, fh, arg);
 	case V4L2_BUF_TYPE_SDR_CAPTURE:
-		if (unlikely(!is_rx || !is_sdr || !ops->vidioc_s_fmt_sdr_cap))
+		if (unlikely(!ops->vidioc_s_fmt_sdr_cap))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.sdr);
 		return ops->vidioc_s_fmt_sdr_cap(file, fh, arg);
 	case V4L2_BUF_TYPE_SDR_OUTPUT:
-		if (unlikely(!is_tx || !is_sdr || !ops->vidioc_s_fmt_sdr_out))
+		if (unlikely(!ops->vidioc_s_fmt_sdr_out))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.sdr);
 		return ops->vidioc_s_fmt_sdr_out(file, fh, arg);
 	case V4L2_BUF_TYPE_META_CAPTURE:
-		if (unlikely(!is_rx || !is_vid || !ops->vidioc_s_fmt_meta_cap))
+		if (unlikely(!ops->vidioc_s_fmt_meta_cap))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.meta);
 		return ops->vidioc_s_fmt_meta_cap(file, fh, arg);
@@ -1586,19 +1557,16 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
 				struct file *file, void *fh, void *arg)
 {
 	struct v4l2_format *p = arg;
-	struct video_device *vfd = video_devdata(file);
-	bool is_vid = vfd->vfl_type == VFL_TYPE_GRABBER;
-	bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR;
-	bool is_tch = vfd->vfl_type == VFL_TYPE_TOUCH;
-	bool is_rx = vfd->vfl_dir != VFL_DIR_TX;
-	bool is_tx = vfd->vfl_dir != VFL_DIR_RX;
-	int ret;
+	int ret = check_fmt(file, p->type);
+
+	if (ret)
+		return ret;
 
 	v4l_sanitize_format(p);
 
 	switch (p->type) {
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-		if (unlikely(!is_rx || (!is_vid && !is_tch) || !ops->vidioc_try_fmt_vid_cap))
+		if (unlikely(!ops->vidioc_try_fmt_vid_cap))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.pix);
 		ret = ops->vidioc_try_fmt_vid_cap(file, fh, arg);
@@ -1606,27 +1574,27 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
 		p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC;
 		return ret;
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
-		if (unlikely(!is_rx || !is_vid || !ops->vidioc_try_fmt_vid_cap_mplane))
+		if (unlikely(!ops->vidioc_try_fmt_vid_cap_mplane))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
 		return ops->vidioc_try_fmt_vid_cap_mplane(file, fh, arg);
 	case V4L2_BUF_TYPE_VIDEO_OVERLAY:
-		if (unlikely(!is_rx || !is_vid || !ops->vidioc_try_fmt_vid_overlay))
+		if (unlikely(!ops->vidioc_try_fmt_vid_overlay))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.win);
 		return ops->vidioc_try_fmt_vid_overlay(file, fh, arg);
 	case V4L2_BUF_TYPE_VBI_CAPTURE:
-		if (unlikely(!is_rx || is_vid || !ops->vidioc_try_fmt_vbi_cap))
+		if (unlikely(!ops->vidioc_try_fmt_vbi_cap))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.vbi);
 		return ops->vidioc_try_fmt_vbi_cap(file, fh, arg);
 	case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
-		if (unlikely(!is_rx || is_vid || !ops->vidioc_try_fmt_sliced_vbi_cap))
+		if (unlikely(!ops->vidioc_try_fmt_sliced_vbi_cap))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.sliced);
 		return ops->vidioc_try_fmt_sliced_vbi_cap(file, fh, arg);
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT:
-		if (unlikely(!is_tx || !is_vid || !ops->vidioc_try_fmt_vid_out))
+		if (unlikely(!ops->vidioc_try_fmt_vid_out))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.pix);
 		ret = ops->vidioc_try_fmt_vid_out(file, fh, arg);
@@ -1634,37 +1602,37 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
 		p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC;
 		return ret;
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
-		if (unlikely(!is_tx || !is_vid || !ops->vidioc_try_fmt_vid_out_mplane))
+		if (unlikely(!ops->vidioc_try_fmt_vid_out_mplane))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
 		return ops->vidioc_try_fmt_vid_out_mplane(file, fh, arg);
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
-		if (unlikely(!is_tx || !is_vid || !ops->vidioc_try_fmt_vid_out_overlay))
+		if (unlikely(!ops->vidioc_try_fmt_vid_out_overlay))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.win);
 		return ops->vidioc_try_fmt_vid_out_overlay(file, fh, arg);
 	case V4L2_BUF_TYPE_VBI_OUTPUT:
-		if (unlikely(!is_tx || is_vid || !ops->vidioc_try_fmt_vbi_out))
+		if (unlikely(!ops->vidioc_try_fmt_vbi_out))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.vbi);
 		return ops->vidioc_try_fmt_vbi_out(file, fh, arg);
 	case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
-		if (unlikely(!is_tx || is_vid || !ops->vidioc_try_fmt_sliced_vbi_out))
+		if (unlikely(!ops->vidioc_try_fmt_sliced_vbi_out))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.sliced);
 		return ops->vidioc_try_fmt_sliced_vbi_out(file, fh, arg);
 	case V4L2_BUF_TYPE_SDR_CAPTURE:
-		if (unlikely(!is_rx || !is_sdr || !ops->vidioc_try_fmt_sdr_cap))
+		if (unlikely(!ops->vidioc_try_fmt_sdr_cap))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.sdr);
 		return ops->vidioc_try_fmt_sdr_cap(file, fh, arg);
 	case V4L2_BUF_TYPE_SDR_OUTPUT:
-		if (unlikely(!is_tx || !is_sdr || !ops->vidioc_try_fmt_sdr_out))
+		if (unlikely(!ops->vidioc_try_fmt_sdr_out))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.sdr);
 		return ops->vidioc_try_fmt_sdr_out(file, fh, arg);
 	case V4L2_BUF_TYPE_META_CAPTURE:
-		if (unlikely(!is_rx || !is_vid || !ops->vidioc_try_fmt_meta_cap))
+		if (unlikely(!ops->vidioc_try_fmt_meta_cap))
 			break;
 		CLEAR_AFTER_FIELD(p, fmt.meta);
 		return ops->vidioc_try_fmt_meta_cap(file, fh, arg);
-- 
2.15.1

  parent reply	other threads:[~2018-01-26 12:43 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-26 12:43 [PATCH 00/12] v4l2-compat-ioctl32.c: remove set_fs(KERNEL_DS) Hans Verkuil
2018-01-26 12:43 ` [PATCH 01/12] vivid: fix module load error when enabling fb and no_error_inj=1 Hans Verkuil
2018-01-26 14:43   ` Sakari Ailus
2018-01-26 12:43 ` Hans Verkuil [this message]
2018-01-26 14:41   ` [PATCH 02/12] v4l2-ioctl.c: use check_fmt for enum/g/s/try_fmt Sakari Ailus
2018-01-29 10:09     ` Hans Verkuil
2018-01-29 20:57       ` Sakari Ailus
2018-01-30  8:44     ` Hans Verkuil
2018-01-30 11:14       ` Sakari Ailus
2018-01-26 12:43 ` [PATCH 03/12] v4l2-compat-ioctl32.c: add missing VIDIOC_PREPARE_BUF Hans Verkuil
2018-01-26 14:43   ` Sakari Ailus
2018-01-26 12:43 ` [PATCH 04/12] v4l2-compat-ioctl32.c: fix the indentation Hans Verkuil
2018-01-26 14:57   ` Sakari Ailus
2018-01-26 12:43 ` [PATCH 05/12] v4l2-compat-ioctl32.c: move 'helper' functions to __get/put_v4l2_format32 Hans Verkuil
2018-01-26 15:20   ` Sakari Ailus
2018-01-26 12:43 ` [PATCH 06/12] v4l2-compat-ioctl32.c: avoid sizeof(type) Hans Verkuil
2018-01-26 15:35   ` Sakari Ailus
2018-01-26 12:43 ` [PATCH 07/12] v4l2-compat-ioctl32.c: copy m.userptr in put_v4l2_plane32 Hans Verkuil
2018-01-26 16:15   ` Sakari Ailus
2018-01-26 12:43 ` [PATCH 08/12] v4l2-compat-ioctl32.c: fix ctrl_is_pointer Hans Verkuil
2018-01-27 23:18   ` Sakari Ailus
2018-01-29 14:11     ` Mauro Carvalho Chehab
2018-01-26 12:43 ` [PATCH 09/12] v4l2-compat-ioctl32.c: copy clip list in put_v4l2_window32 Hans Verkuil
2018-01-29  9:47   ` Sakari Ailus
2018-01-29 14:13     ` Mauro Carvalho Chehab
2018-01-29 21:00       ` Sakari Ailus
2018-01-26 12:43 ` [PATCH 10/12] v4l2-compat-ioctl32.c: drop pr_info for unknown buffer type Hans Verkuil
2018-01-29  9:48   ` Sakari Ailus
2018-01-26 12:43 ` [PATCH 11/12] v4l2-compat-ioctl32.c: don't copy back the result for certain errors Hans Verkuil
2018-01-29  9:56   ` Sakari Ailus
2018-01-29 10:02     ` Hans Verkuil
2018-01-29 21:01       ` Sakari Ailus
2018-01-26 12:43 ` [PATCH 12/12] v4l2-compat-ioctl32.c: refactor, fix security bug in compat ioctl32 Hans Verkuil
2018-01-29 15:14   ` Mauro Carvalho Chehab
2018-01-29 17:06   ` Sakari Ailus
2018-01-29 17:41     ` Hans Verkuil
2018-01-29 21:14       ` Sakari Ailus
2018-01-30  9:37     ` Hans Verkuil

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