From: Thierry Reding <treding@nvidia.com>
Date: Wed, 12 Aug 2015 15:00:30 +0000 (+0200)
Subject: drm/irq: Check for valid VBLANK before dereference
X-Git-Tag: omap-for-v4.3/fixes-rc1~89^2~32^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7d1de851632d013023cd7c89eb8664f62e5beb2c;p=pandora-kernel.git

drm/irq: Check for valid VBLANK before dereference

When accessing the array of per-CRTC VBLANK structures we must always
check that the index into the array is valid before dereferencing to
avoid crashing.

Signed-off-by: Thierry Reding <treding@nvidia.com>
[danvet: Squash in my own whitespace ocd fixup in drm_vblank_count.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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