From: Suresh Siddha <suresh.b.siddha@intel.com>
Date: Tue, 17 Mar 2009 00:04:58 +0000 (-0700)
Subject: x86, intr-remapping: fix free_irte() to clear all the IRTE entries
X-Git-Tag: 2.1b_release~12498^2~32^11~8
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2e93456f5c069cf889c0c3acd1246ee88c49ae5c;p=platform%2Fkernel%2Fkernel-mfld-blackbay.git

x86, intr-remapping: fix free_irte() to clear all the IRTE entries

Impact: fix interrupt table entry leak

Fix the typo which was not clearing all the interrupt remapping table
entries corresponding to an irq.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---

diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index a84686b..f7ecd85 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -386,7 +386,7 @@ int free_irte(int irq)
 
 	if (!irq_iommu->sub_handle) {
 		for (i = 0; i < (1 << irq_iommu->irte_mask); i++)
-			set_64bit((unsigned long *)irte, 0);
+			set_64bit((unsigned long *)(irte + i), 0);
 		rc = qi_flush_iec(iommu, index, irq_iommu->irte_mask);
 	}