From: Colin Cross <ccross@android.com>
Date: Sat, 14 Dec 2013 03:26:16 +0000 (-0800)
Subject: ion: clean up ioctls
X-Git-Tag: v3.14-rc1~150^2~381
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=db866e3ded294aac1059d45d6497cf1bdbebaa04;p=pandora-kernel.git

ion: clean up ioctls

Convert the ion ioctls to use _IOW instead of _IOWR where
appropriate, and factor out the copy_from_user and copy_to_user
based on the _IOC_DIR bits.  For the existing incorrect ioctls,
add a function to wrap _IOC_DIR to return the corrected value.

Signed-off-by: Colin Cross <ccross@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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