Presence of RMRR structures is not compulsory for enabling DMA-remapping.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Yong Y Wang <yong.y.wang@intel.com>
---

Index: tree-x86/drivers/pci/dmar.c
===================================================================
--- tree-x86.orig/drivers/pci/dmar.c	2008-07-10 09:51:53.000000000 -0700
+++ tree-x86/drivers/pci/dmar.c	2008-07-10 09:51:55.000000000 -0700
@@ -419,10 +419,8 @@
 	}
 
 #ifdef CONFIG_DMAR
-	if (list_empty(&dmar_rmrr_units)) {
+	if (list_empty(&dmar_rmrr_units))
 		printk(KERN_INFO PREFIX "No RMRR found\n");
-		return -ENODEV;
-	}
 #endif
 
 	return 0;

-- 

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