From mboxrd@z Thu Jan 1 00:00:00 1970 From: seanpaul@chromium.org (Sean Paul) Date: Wed, 1 Oct 2014 11:31:50 -0400 Subject: [PATCH v2] arm64: Use DMA_ERROR_CODE to denote failed allocation In-Reply-To: <20141001135248.GQ5182@n2100.arm.linux.org.uk> References: <20141001135248.GQ5182@n2100.arm.linux.org.uk> Message-ID: <1412177510-26310-1-git-send-email-seanpaul@chromium.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- 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