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Message-Id: <1412177510-26310-1-git-send-email-seanpaul@chromium.org> Date: Wed, 1 Oct 2014 11:31:50 -0400 From: Sean Paul <seanpaul@...omium.org> To: catalin.marinas@....com, will.deacon@....com, lauraa@...eaurora.org, ritesh.harjani@...il.com, linux@....linux.org.uk, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org Cc: olof@...om.net, seanpaul@...omium.org Subject: [PATCH v2] 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@...omium.org> --- Changes in v2: - Removed the check for DMA_ERROR_CODE in __dma_free_noncoherent the function shouldn't be called after failed allocation arch/arm64/mm/dma-mapping.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c index 4164c5a..5687dd4 100644 --- a/arch/arm64/mm/dma-mapping.c +++ b/arch/arm64/mm/dma-mapping.c @@ -125,7 +125,7 @@ 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; } -- 2.1.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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