arm64: Warn on NULL device structure for dma APIs

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Although parts of the DMA apis may properly check for NULL devices,
there may be some places that don't. Rather than fix up all the
possible locations, just require a non-NULL device structure to be
used for allocating/freeing.

Cc: Will Deacon <will.deacon@arm.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
[catalin.marinas@arm.com: s/WARN/WARN_ONCE/]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Laura Abbott 2013-12-12 19:28:32 +00:00 • committed by Catalin Marinas

parent 4bff28ccda

commit c666e8d5ca

1 changed files with 10 additions and 0 deletions

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arch/arm64/mm/dma-mapping.c

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