From: Rob Clark <rob@ti.com>
Date: Sun, 18 Sep 2011 19:38:15 +0000 (-0500)
Subject: drm: drm_ioctl() should zero-init extra data
X-Git-Tag: v3.2-rc1~135^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dd2351da7c438eb3d5f64a161cf3483648725dcd;p=pandora-kernel.git

drm: drm_ioctl() should zero-init extra data

If an older userspace passes in a smaller arg than the current kernel
ioctl arg struct, then extra fields should be initialized to zero
rather than passing random data to the DRM driver.

Signed-off-by: Rob Clark <rob@ti.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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