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authorSean Paul <seanpaul@chromium.org>2014-10-01 16:31:50 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2014-10-02 11:57:08 +0100
commita52ce121918382a4249d621cceb07c30e1c00fa2 (patch)
treeb8f83b91f49aa176451390fecee5fb4a0c6a3ef4
parent7acf71d1a224b6e7a40a244d804cea1780a643ed (diff)
downloadlwn-a52ce121918382a4249d621cceb07c30e1c00fa2.tar.gz
lwn-a52ce121918382a4249d621cceb07c30e1c00fa2.zip
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>
-rw-r--r--arch/arm64/mm/dma-mapping.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index d6ceb3df0047..2c71077cacfd 100644
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -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;
}