On Wednesday 28 July 2004 20:42, Johannes Stezenbach wrote:
> It seems Al Viro broke dvb_usercopy():
>
> --- dvb_functions.c.orig 2004-07-28 20:39:23.000000000 +0200
> +++ dvb_functions.c 2004-07-28 20:21:23.000000000 +0200
> @@ -36,7 +36,7 @@ int dvb_usercopy(struct inode *inode, st
> /* Copy arguments into temp kernel buffer */
> switch (_IOC_DIR(cmd)) {
> case _IOC_NONE:
> - parg = NULL;
> + parg = (void *) arg;
> break;
> case _IOC_READ: /* some v4l ioctls are marked wrong ... */
> case _IOC_WRITE:
Curious, why does an ioctl with zero sized argument have an argument?
Kenneth
