tree bb8b4c8abd5b37a9aff71b6757187339202d977a
parent f01af9f85855e38fbd601e033a8eac204cc4cc1c
author Rob Clark <rob@ti.com> 1348817383 +0200
committer Sumit Semwal <sumit.semwal@linaro.org> 1355985305 +0530

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>