dmaengine: ensure dmaengine helpers check valid callback

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dmaengine has various device callbacks and exposes helper
functions to invoke these. These helpers should check if channel,
device and callback is valid or not before invoking them.

Reported-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

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Vinod Koul 2016-04-12 21:07:06 +05:30

parent b2d8984f3e

commit 757d12e584

1 changed files with 19 additions and 1 deletions

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include/linux/dmaengine.h

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