From: Alexey Khoroshilov <khoroshilov@ispras.ru>
Date: Fri, 7 Nov 2014 22:41:23 +0000 (+0300)
Subject: drm/i915: avoid deadlock on failure paths in __intel_framebuffer_create()
X-Git-Tag: omap-for-v3.19/fixes-rc1~80^2~14^2~117
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6ccb81f2171ab48592946efab0ce0fd41978f4ba;p=pandora-kernel.git

drm/i915: avoid deadlock on failure paths in __intel_framebuffer_create()

Since a8bb6818270c __intel_framebuffer_create() is called
with struct_mutex held, so it should use drm_gem_object_unreference()
instead of drm_gem_object_unreference_unlocked().

Found by Linux Driver Verification project (linuxtesting.org).

This regression has been introduced in

commit a8bb6818270c32126dba0fd2ddb139d885c5687d
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Mon Feb 10 18:00:39 2014 +0100

    drm/i915: Fix error path leak in fbdev fb allocation

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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