Johannes Stezenbach <js@xxxxxxxxxxx> writes: > > > .ioctl = fops_ioctl, > > > + .compat_ioctl = fops_ioctl32, > > Grepping through the drivers/media/ sources, it seems no v4l driver > implements this so far. If someone wants to work on it, it > might be best to implement it as video_compat_usercopy(), right? Thats probably the best approach. One central place where the translation happens (it's the same anyway for all drivers), and simple five-liner patches to add support to the individual drivers ... Gerd -- -mm seems unusually stable at present. -- akpm about 2.6.12-rc3-mm3