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authorJoerg Roedel <joerg.roedel@amd.com>2008-12-19 14:42:15 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2009-01-14 09:44:09 -0800
commit938d1732649548da9887c7159a1d4f95d9e11995 (patch)
treead23b3d138111cdb7c2752b94c6ab3a8e40beba3
parent4d624f54bd2bb311501c33ac0e17aec45ea91d2c (diff)
AMD IOMMU: fix wrong loop counter in free_pagetables
Upstream commit 3cc3d84bffbd93bdb671ac7961b12cd98fbb9266 This fixes a bug which causes the driver to go in an endless loop if initialization fails and its resources are freed. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--arch/x86/kernel/amd_iommu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index a1493bb3ed9e..20804d06c70b 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -487,7 +487,7 @@ static void dma_ops_free_pagetable(struct dma_ops_domain *dma_dom)
continue;
p2 = IOMMU_PTE_PAGE(p1[i]);
- for (j = 0; j < 512; ++i) {
+ for (j = 0; j < 512; ++j) {
if (!IOMMU_PTE_PRESENT(p2[j]))
continue;
p3 = IOMMU_PTE_PAGE(p2[j]);