xen-swiotlb: fix the check condition for xen_swiotlb_free_coherent

[sfrench/cifs-2.6.git] / drivers / xen / swiotlb-xen.c

diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index e1c60899fdbc8de0b530078bb310f28bea33dd2c..a6f9ba85dc4ba8df4dd9519b317664b9e2ece94f 100644 (file)
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -351,7 +351,7 @@ xen_swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr,
         * physical address */
        phys = xen_bus_to_phys(dev_addr);
 
-       if (((dev_addr + size - 1 > dma_mask)) ||
+       if (((dev_addr + size - 1 <= dma_mask)) ||
            range_straddles_page_boundary(phys, size))
                xen_destroy_contiguous_region(phys, order);