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[v1,10/16] powerpc/iommu: Fix missing permission bits in iommu_put_tce_user_mode()

Message ID 1405416280-12318-11-git-send-email-aik@ozlabs.ru (mailing list archive)
State Not Applicable
Headers show

Commit Message

Alexey Kardashevskiy July 15, 2014, 9:24 a.m. UTC 
This adds missing permission bits to the translated TCE.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
---
 arch/powerpc/kernel/iommu.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index da04561..01ac319 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -1085,6 +1085,7 @@  int iommu_put_tce_user_mode(struct iommu_table *tbl, unsigned long entry,
 		return -EFAULT;
 	}
 	hwaddr = (unsigned long) page_address(page) + offset;
+	hwaddr |= tce & (TCE_PCI_READ | TCE_PCI_WRITE);
 
 	ret = iommu_tce_build(tbl, entry, hwaddr, direction);
 	if (ret)