Re: [PATCH v3] net/atm: move all compat_ioctl handling to atm/ioctl.c

[David Miller <davem@davemloft.net>]

From: Arnd Bergmann <arnd@arndb.de>
Date: Wed, 11 Nov 2009 14:45:22 +0100

> We have two implementations of the compat_ioctl handling for ATM, the
> one that we have had for ages in fs/compat_ioctl.c and the one added to
> net/atm/ioctl.c by David Woodhouse. Unfortunately, both versions are
> incomplete, and in practice we use a very confusing combination of the
> two.
> 
> For ioctl numbers that have the same identifier on 32 and 64 bit systems,
> we go directly through the compat_ioctl socket operation, for those that
> differ, we do a conversion in fs/compat_ioctl.c.
> 
> This patch moves both variants into the vcc_compat_ioctl() function,
> while preserving the current behaviour. It also kills off the COMPATIBLE_IOCTL
> definitions that we never use here.
> Doing it this way is clearly not a good solution, but I hope it is a
> step into the right direction, so that someone is able to clean up this
> mess for real.
> 
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Applied, thanks.