[PATCH] paravirt: Add MMU virtualization to paravirt_ops

[pandora-kernel.git] / arch / i386 / kernel / pci-dma.c

diff --git a/arch/i386/kernel/pci-dma.c b/arch/i386/kernel/pci-dma.c
index 25fe668..5c8c6ef 100644 (file)
--- a/arch/i386/kernel/pci-dma.c
+++ b/arch/i386/kernel/pci-dma.c
@@ -75,7 +75,7 @@ EXPORT_SYMBOL(dma_free_coherent);
 int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
                                dma_addr_t device_addr, size_t size, int flags)
 {
-       void __iomem *mem_base;
+       void __iomem *mem_base = NULL;
        int pages = size >> PAGE_SHIFT;
        int bitmap_size = (pages + 31)/32;
 
@@ -114,6 +114,8 @@ int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
  free1_out:
        kfree(dev->dma_mem->bitmap);
  out:
+       if (mem_base)
+               iounmap(mem_base);
        return 0;
 }
 EXPORT_SYMBOL(dma_declare_coherent_memory);