dma_free_coherent() needs irqs enabled (sigh)

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / pci-dma_32.c

diff --git a/arch/x86/kernel/pci-dma_32.c b/arch/x86/kernel/pci-dma_32.c
index 048f09b62553e638ecb6c0ba89528a4f9665b014..0aae2f3847a5486fe657ce3403179c6359aabeca 100644 (file)
--- a/arch/x86/kernel/pci-dma_32.c
+++ b/arch/x86/kernel/pci-dma_32.c
@@ -63,7 +63,8 @@ void dma_free_coherent(struct device *dev, size_t size,
 {
        struct dma_coherent_mem *mem = dev ? dev->dma_mem : NULL;
        int order = get_order(size);
-       
+
+       WARN_ON(irqs_disabled());       /* for portability */
        if (mem && vaddr >= mem->virt_base && vaddr < (mem->virt_base + (mem->size << PAGE_SHIFT))) {
                int page = (vaddr - mem->virt_base) >> PAGE_SHIFT;