forked from rubenslte/android_kernel_samsung_msm8226
When the framebuffer device is shutdown, it is possible that the display commit thread has already been stopped. In such scenarios, ensure that we not attempt to stop the thread again to avoid any potential crashes. CRs-Fixed: 584499 Change-Id: If0026cdcc4367c149815933ffe4ed08056d54770 Signed-off-by: Aravind Venkateswaran <aravindh@codeaurora.org>