dma_declare_coherent_memory wrong allocation

[powerpc.git] / arch / cris / arch-v32 / drivers / pci / dma.c

diff --git a/arch/cris/arch-v32/drivers/pci/dma.c b/arch/cris/arch-v32/drivers/pci/dma.c
index 70d3bf0..832fc63 100644 (file)
--- a/arch/cris/arch-v32/drivers/pci/dma.c
+++ b/arch/cris/arch-v32/drivers/pci/dma.c
@@ -76,7 +76,7 @@ int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
 {
        void __iomem *mem_base;
        int pages = size >> PAGE_SHIFT;
-       int bitmap_size = (pages + 31)/32;
+       int bitmap_size = BITS_TO_LONGS(pages) * sizeof(long);
 
        if ((flags & (DMA_MEMORY_MAP | DMA_MEMORY_IO)) == 0)
                goto out;