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From: Felipe Balbi <balbi@kernel.org>
To: Arnd Bergmann <arnd@arndb.de>, viro@zeniv.linux.org.uk
Cc: linux-fsdevel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
        Frederic Barrat <fbarrat@linux.vnet.ibm.com>,
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Subject: Re: [PATCH v2 03/17] compat_ioctl: use correct compat_ptr() translation in drivers
In-Reply-To: <20180912150142.157913-3-arnd@arndb.de>
References: <20180912150142.157913-1-arnd@arndb.de> <20180912150142.157913-3-arnd@arndb.de>
Date: Thu, 13 Sep 2018 14:03:18 +0300
Message-ID: <871s9x1wy1.fsf@linux.intel.com>
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Arnd Bergmann <arnd@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@arndb.de>

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

=2D-=20
balbi

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