[PATCH v3 09/15] media: sunxi: Add support for the A31 MIPI CSI-2 controller

Paul Kocialkowski paul.kocialkowski at bootlin.com
Thu Dec 31 07:54:28 EST 2020


Hi,

On Mon 14 Dec 20, 12:39, Maxime Ripard wrote:
> On Fri, Dec 11, 2020 at 04:57:02PM +0100, Paul Kocialkowski wrote:
> > +#define sun6i_mipi_csi2_subdev_video(subdev) \
> > +	container_of(subdev, struct sun6i_mipi_csi2_video, subdev)
> > +
> > +#define sun6i_mipi_csi2_video_dev(video) \
> > +	container_of(video, struct sun6i_mipi_csi2_dev, video)
> 
> Isn't it a bit unsafe?
> 
> The second subdev and video here is not the variable passed in the macro
> but the field in the structure, so any attempt at using those two macros
> with anything but a variable named subdev or video will result in a
> compilation issue?

Yep you're totally right. Will fix in the next revision!

Cheers,

Paul

-- 
Paul Kocialkowski, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 488 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20201231/00e828f8/attachment.sig>


More information about the linux-arm-kernel mailing list