From b6fa0cd62c5b9d47f8e5d42cb2876677a5ed701e Mon Sep 17 00:00:00 2001
From: Rob Clark <rob@ti.com>
Date: Fri, 28 Sep 2012 09:29:43 +0200
Subject: [PATCH] dma-buf: might_sleep() in dma_buf_unmap_attachment()

We never really clarified if unmap could be done in atomic context.
But since mapping might require sleeping, this implies mutex in use
to synchronize mapping/unmapping, so unmap could sleep as well.  Add
a might_sleep() to clarify this.

Signed-off-by: Rob Clark <rob@ti.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
---
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