dma-mapping: don't BUG when calling dma_map_resource on RAM

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Use WARN_ON_ONCE to print a stack trace and return a proper error
code instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>

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Christoph Hellwig 2019-01-04 17:17:53 +01:00

parent cfced78696

commit 645386dfe6

1 changed files with 2 additions and 1 deletions

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include/linux/dma-mapping.h

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