From a52ce121918382a4249d621cceb07c30e1c00fa2 Mon Sep 17 00:00:00 2001
From: Sean Paul <seanpaul@chromium.org>
Date: Wed, 1 Oct 2014 16:31:50 +0100
Subject: 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>
---
 arch/arm64/mm/dma-mapping.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'arch/arm64/mm/dma-mapping.c')

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;
 }
 
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