From: Zhao Junwang <zhjwpku@gmail.com>
Date: Tue, 7 Jul 2015 09:08:35 +0000 (+0800)
Subject: drm: add a check for x/y in drm_mode_setcrtc
X-Git-Tag: omap-for-v4.3/fixes-merge-window~233^2~6^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=01447e9f04ba1c49a9534ae6a5a6f26c2bb05226;p=pandora-kernel.git

drm: add a check for x/y in drm_mode_setcrtc

legacy setcrtc ioctl does take a 32 bit value which might indeed
overflow

the checks of crtc_req->x > INT_MAX and crtc_req->y > INT_MAX aren't
needed any more with this

v2: -polish the annotation according to Daniel's comment

Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Zhao Junwang <zhjwpku@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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