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Subject: media: v4l2-subdev: clear reserved fields
Author: Hans Verkuil <hverk...@xs4all.nl>
Date: Sat Feb 3 08:20:21 2018 -0500
Clear the reserved fields for these ioctls according to the specification:
VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL
VIDIOC_SUBDEV_ENUM_FRAME_SIZE
VIDIOC_SUBDEV_ENUM_MBUS_CODE
VIDIOC_SUBDEV_G_CROP, VIDIOC_SUBDEV_S_CROP
VIDIOC_SUBDEV_G_FMT, VIDIOC_SUBDEV_S_FMT
VIDIOC_SUBDEV_G_FRAME_INTERVAL, VIDIOC_SUBDEV_S_FRAME_INTERVAL
VIDIOC_SUBDEV_G_SELECTION, VIDIOC_SUBDEV_S_SELECTION
Found with v4l2-compliance.
Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
Acked-by: Sakari Ailus <sakari.ai...@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mche...@s-opensource.com>
drivers/media/v4l2-core/v4l2-subdev.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
---
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c
b/drivers/media/v4l2-core/v4l2-subdev.c
index c5639817db34..74fe8083cf26 100644
--- a/drivers/media/v4l2-core/v4l2-subdev.c
+++ b/drivers/media/v4l2-core/v4l2-subdev.c
@@ -260,6 +260,8 @@ static long subdev_do_ioctl(struct file *file, unsigned int
cmd, void *arg)
if (rval)
return rval;
+ memset(format->reserved, 0, sizeof(format->reserved));
+ memset(format->format.reserved, 0,
sizeof(format->format.reserved));
return v4l2_subdev_call(sd, pad, get_fmt, subdev_fh->pad,
format);
}
@@ -270,6 +272,8 @@ static long subdev_do_ioctl(struct file *file, unsigned int
cmd, void *arg)
if (rval)
return rval;
+ memset(format->reserved, 0, sizeof(format->reserved));
+ memset(format->format.reserved, 0,
sizeof(format->format.reserved));
return v4l2_subdev_call(sd, pad, set_fmt, subdev_fh->pad,
format);
}
@@ -281,6 +285,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int
cmd, void *arg)
if (rval)
return rval;
+ memset(crop->reserved, 0, sizeof(crop->reserved));
memset(&sel, 0, sizeof(sel));
sel.which = crop->which;
sel.pad = crop->pad;
@@ -298,6 +303,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int
cmd, void *arg)
struct v4l2_subdev_crop *crop = arg;
struct v4l2_subdev_selection sel;
+ memset(crop->reserved, 0, sizeof(crop->reserved));
rval = check_crop(sd, crop);
if (rval)
return rval;
@@ -326,6 +332,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int
cmd, void *arg)
if (code->pad >= sd->entity.num_pads)
return -EINVAL;
+ memset(code->reserved, 0, sizeof(code->reserved));
return v4l2_subdev_call(sd, pad, enum_mbus_code, subdev_fh->pad,
code);
}
@@ -340,6 +347,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int
cmd, void *arg)
if (fse->pad >= sd->entity.num_pads)
return -EINVAL;
+ memset(fse->reserved, 0, sizeof(fse->reserved));
return v4l2_subdev_call(sd, pad, enum_frame_size,
subdev_fh->pad,
fse);
}
@@ -350,6 +358,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int
cmd, void *arg)
if (fi->pad >= sd->entity.num_pads)
return -EINVAL;
+ memset(fi->reserved, 0, sizeof(fi->reserved));
return v4l2_subdev_call(sd, video, g_frame_interval, arg);
}
@@ -359,6 +368,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int
cmd, void *arg)
if (fi->pad >= sd->entity.num_pads)
return -EINVAL;
+ memset(fi->reserved, 0, sizeof(fi->reserved));
return v4l2_subdev_call(sd, video, s_frame_interval, arg);
}
@@ -372,6 +382,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int
cmd, void *arg)
if (fie->pad >= sd->entity.num_pads)
return -EINVAL;
+ memset(fie->reserved, 0, sizeof(fie->reserved));
return v4l2_subdev_call(sd, pad, enum_frame_interval,
subdev_fh->pad,
fie);
}
@@ -383,6 +394,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int
cmd, void *arg)
if (rval)
return rval;
+ memset(sel->reserved, 0, sizeof(sel->reserved));
return v4l2_subdev_call(
sd, pad, get_selection, subdev_fh->pad, sel);
}
@@ -394,6 +406,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int
cmd, void *arg)
if (rval)
return rval;
+ memset(sel->reserved, 0, sizeof(sel->reserved));
return v4l2_subdev_call(
sd, pad, set_selection, subdev_fh->pad, sel);
}
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