--- zzzz-none-000/linux-2.4.17/drivers/usb/audio.c	2001-12-21 17:41:55.000000000 +0000
+++ sangam-fb-322/linux-2.4.17/drivers/usb/audio.c	2004-11-24 13:23:42.000000000 +0000
@@ -2341,6 +2341,7 @@
 	if (vma->vm_pgoff != 0)
 		goto out;
 
+	vma->vm_flags &= ~VM_IO;
 	ret = dmabuf_mmap(db,  vma->vm_start, vma->vm_end - vma->vm_start, vma->vm_page_prot);
 out:
 	unlock_kernel();