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(parent: f01af9f) | patch
dma-buf: might_sleep() in dma_buf_unmap_attachment()
authorRob Clark <rob@ti.com>
Fri, 28 Sep 2012 07:29:43 +0000 (09:29 +0200)
committerSumit Semwal <sumit.semwal@linaro.org>
Thu, 20 Dec 2012 06:35:05 +0000 (12:05 +0530)
commitb6fa0cd62c5b9d47f8e5d42cb2876677a5ed701e
treebb8b4c8abd5b37a9aff71b6757187339202d977atree | snapshot
parentf01af9f85855e38fbd601e033a8eac204cc4cc1ccommit | diff
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>
drivers/base/dma-buf.c diff | blob | history
Domain: System / Kernel;