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