-stable review patch. If anyone has any objections, please let us know.
------------------
From: David Miller <[email protected]>
The second argument to free_npages() was being incorrectly
calculated, which would thus access far past the end of the
arena->map[] bitmap.
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Chris Wright <[email protected]>
---
arch/sparc64/kernel/pci_iommu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- linux-2.6.18.1.orig/arch/sparc64/kernel/pci_iommu.c
+++ linux-2.6.18.1/arch/sparc64/kernel/pci_iommu.c
@@ -281,7 +281,7 @@ static void pci_4u_free_consistent(struc
spin_lock_irqsave(&iommu->lock, flags);
- free_npages(iommu, dvma, npages);
+ free_npages(iommu, dvma - iommu->page_table_map_base, npages);
spin_unlock_irqrestore(&iommu->lock, flags);
--
-
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