X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fieee1394%2Fdma.c;h=73685e7dc7e4c9e6acea24c454e737686768b7e3;hb=3fca96eed1cc9fb524aec536bba8ae921563f1bb;hp=ec024b5d5e5e2afaa49c1a7da31a36785f16d52c;hpb=61db81214bcef33a41325bdc436fb515b697fcdb;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/ieee1394/dma.c b/drivers/ieee1394/dma.c
index ec024b5d5e5..73685e7dc7e 100644
--- a/drivers/ieee1394/dma.c
+++ b/drivers/ieee1394/dma.c
@@ -231,28 +231,20 @@ void dma_region_sync_for_device(struct dma_region *dma, unsigned long offset,
 
 #ifdef CONFIG_MMU
 
-/* fault() handler for mmap access */
-
 static int dma_region_pagefault(struct vm_area_struct *vma,
-					struct vm_fault *vmf)
+				struct vm_fault *vmf)
 {
-	unsigned long kernel_virt_addr;
-
 	struct dma_region *dma = (struct dma_region *)vma->vm_private_data;
 
 	if (!dma->kvirt)
-		goto error;
+		return VM_FAULT_SIGBUS;
 
 	if (vmf->pgoff >= dma->n_pages)
-		goto error;
+		return VM_FAULT_SIGBUS;
 
-	kernel_virt_addr = (unsigned long)dma->kvirt + (vmf->pgoff << PAGE_SHIFT);
-	vmf->page = vmalloc_to_page((void *)kernel_virt_addr);
+	vmf->page = vmalloc_to_page(dma->kvirt + (vmf->pgoff << PAGE_SHIFT));
 	get_page(vmf->page);
 	return 0;
-
-      error:
-	return VM_FAULT_SIGBUS;
 }
 
 static struct vm_operations_struct dma_region_vm_ops = {