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arm64: Use DMA_ERROR_CODE to denote failed allocation 

This patch replaces the static assignment of ~0 to dma_handle with
DMA_ERROR_CODE to be consistent with other platforms.

Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Sean Paul 2014-10-01 16:31:50 +01:00 committed by Catalin Marinas
parent 7acf71d1a2
commit a52ce12191
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/mm/dma-mapping.c
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@ -122,7 +122,7 @@ static void *__dma_alloc_noncoherent(struct device *dev, size_t size,
no_map:
__dma_free_coherent(dev, size, ptr, *dma_handle, attrs);
no_mem:
*dma_handle = ~0;
*dma_handle = DMA_ERROR_CODE;
return NULL;
}