From: Guenter Roeck <linux@roeck-us.net>
Date: Tue, 13 Jan 2015 05:12:17 +0000 (-0800)
Subject: next: drm/atomic: Use copy_from_user to copy 64 bit data from user space
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~75^2~33^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=42c5814c9c9828a7fcbe25f69c5c8cbbf29ed957;p=pandora-kernel.git

next: drm/atomic: Use copy_from_user to copy 64 bit data from user space

Copying 64 bit data from user space using get_user is not supported
on all architectures, and may result in the following build error.

ERROR: "__get_user_bad" [drivers/gpu/drm/drm.ko] undefined!

Avoid the problem by using copy_from_user.

Fixes: d34f20d6e2f2 ("drm: Atomic modeset ioctl")
Cc: Rob Clark <robdclark@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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