PCI/DMAR: don't assume presence of RMRRs

RMRRs do not necessarily have to be present on all VT-d capable platforms.
The printk is just informational and does not need to be followed by an error
return.

Signed-off-by: Yong Y Wang <yong.y.wang@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: mark gross <mgross@linux.intel.com>
Cc: Keshavamurthy, Anil S <anil.s.keshavamurthy@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index f941f609dbf399edfd389b4ace85a07816a5e633..8bf86ae2333fc963207d2b14d2702c96a9532bc6 100644 (file)
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -317,10 +317,8 @@ int __init dmar_table_init(void)
                return -ENODEV;
        }
 
-       if (list_empty(&dmar_rmrr_units)) {
+       if (list_empty(&dmar_rmrr_units))
                printk(KERN_INFO PREFIX "No RMRR found\n");
-               return -ENODEV;
-       }
 
        return 0;
 }