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-rw-r--r--include/linux/dma-mapping.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index ff7c87f..642cb4c 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -271,13 +271,12 @@ static inline dma_addr_t dma_map_resource(struct device *dev,
unsigned long attrs)
{
struct dma_map_ops *ops = get_dma_ops(dev);
- unsigned long pfn = PHYS_PFN(phys_addr);
dma_addr_t addr;
BUG_ON(!valid_dma_direction(dir));
/* Don't allow RAM to be mapped */
- BUG_ON(pfn_valid(pfn));
+ BUG_ON(pfn_valid(PHYS_PFN(phys_addr)));
addr = phys_addr;
if (ops->map_resource)
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