[PATCH v2 03/17] compat_ioctl: use correct compat_ptr() translation in drivers

Felipe Balbi balbi at kernel.org
Thu Sep 13 21:03:18 AEST 2018


Arnd Bergmann <arnd at arndb.de> writes:

> A handful of drivers all have a trivial wrapper around their ioctl
> handler, but don't call the compat_ptr() conversion function at the
> moment. In practice this does not matter, since none of them are used
> on the s390 architecture and for all other architectures, compat_ptr()
> does not do anything, but using the new generic_compat_ioctl_ptrarg
> helper makes it more correct in theory, and simplifies the code.
>
> Signed-off-by: Arnd Bergmann <arnd at arndb.de>

Acked-by: Felipe Balbi <felipe.balbi at linux.intel.com>

-- 
balbi
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