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authorJingoo Han <jg1.han@samsung.com>2012-10-24 07:09:14 +0200
committerMarek Szyprowski <m.szyprowski@samsung.com>2012-10-24 07:38:15 +0200
commit3dd7ea922051e68854e016cfd2992226cfb5bb43 (patch)
tree4303e1967ef113c36de13910697115cea9e64371
parentARM: dma-mapping: support debug_dma_mapping_error (diff)
downloadlinux-3dd7ea922051e68854e016cfd2992226cfb5bb43.tar.xz
linux-3dd7ea922051e68854e016cfd2992226cfb5bb43.zip
ARM: dma-mapping: fix build warning in __dma_alloc()
Fix build warning in __dma_alloc() as below: arch/arm/mm/dma-mapping.c: In function '__dma_alloc': arch/arm/mm/dma-mapping.c:653:29: warning: 'page' may be used uninitialized in this function [-Wuninitialized] Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
-rw-r--r--arch/arm/mm/dma-mapping.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 477a2d23ddf1..58bc3e4d3bd0 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -610,7 +610,7 @@ static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
gfp_t gfp, pgprot_t prot, bool is_coherent, const void *caller)
{
u64 mask = get_coherent_dma_mask(dev);
- struct page *page;
+ struct page *page = NULL;
void *addr;
#ifdef CONFIG_DMA_API_DEBUG