diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2017-08-30 13:18:04 -0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-10-31 13:51:45 -0400 |
| commit | b6ee3f0dcf43dc3e8dbbe9be9c4e728c8d52f1ba (patch) | |
| tree | 4171a3b2634b8238b12188cd55fd629157efaeb6 /drivers/media/platform/omap3isp | |
| parent | bce9e317cec9c4ffff3dde1170c0ad70f5e690c8 (diff) | |
media: v4l: async: Move async subdev notifier operations to a separate structure
The async subdev notifier .bound(), .unbind() and .complete() operations
are function pointers stored directly in the v4l2_async_subdev
structure. As the structure isn't immutable, this creates a potential
security risk as the function pointers are mutable.
To fix this, move the function pointers to a new
v4l2_async_subdev_operations structure that can be made const in
drivers.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/platform/omap3isp')
| -rw-r--r-- | drivers/media/platform/omap3isp/isp.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c index 35687c9707e0..b7ff3842afc0 100644 --- a/drivers/media/platform/omap3isp/isp.c +++ b/drivers/media/platform/omap3isp/isp.c @@ -2171,6 +2171,10 @@ static int isp_subdev_notifier_complete(struct v4l2_async_notifier *async) return media_device_register(&isp->media_dev); } +static const struct v4l2_async_notifier_operations isp_subdev_notifier_ops = { + .complete = isp_subdev_notifier_complete, +}; + /* * isp_probe - Probe ISP platform device * @pdev: Pointer to ISP platform device @@ -2341,7 +2345,7 @@ static int isp_probe(struct platform_device *pdev) if (ret < 0) goto error_register_entities; - isp->notifier.complete = isp_subdev_notifier_complete; + isp->notifier.ops = &isp_subdev_notifier_ops; ret = v4l2_async_notifier_register(&isp->v4l2_dev, &isp->notifier); if (ret) |