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| author |   Hiroshi DOYU <Hiroshi.DOYU@nokia.com> | 2010-02-15 10:03:32 -0800 |
|---|---|---|
| committer |   Tony Lindgren <tony@atomide.com> | 2010-02-15 10:03:32 -0800 |
| commit | 8d33ea5881bce56f85de7fcc90e1c5618fa5b62d (patch) | |
| tree | 9b9e409ac2932bf9c5a920db4dd492782473338d /arch/arm/plat-omap/iommu.c | |
| parent | omap iommu: cleanup iommu page address mask and definitions (diff) | |
| download | linux-dev-8d33ea5881bce56f85de7fcc90e1c5618fa5b62d.tar.xz linux-dev-8d33ea5881bce56f85de7fcc90e1c5618fa5b62d.zip | |
omap: iommu: fix incorrect address for supersection 1st entry
There was a potential risk that the following "memset" could override
its range if a given address was not the 1st entry of a
supersection. This is not the case for "iovmm".
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Hari Nagalla <hnagalla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/plat-omap/iommu.c')
| -rw-r--r-- | arch/arm/plat-omap/iommu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c index 463d6386aff2..e74811920668 100644 --- a/arch/arm/plat-omap/iommu.c +++ b/arch/arm/plat-omap/iommu.c @@ -667,7 +667,7 @@ static size_t iopgtable_clear_entry_core(struct iommu *obj, u32 da) if ((*iopgd & IOPGD_SUPER) == IOPGD_SUPER) { nent *= 16; /* rewind to the 1st entry */ - iopgd = (u32 *)((u32)iopgd & IOSUPER_MASK); + iopgd = iopgd_offset(obj, (da & IOSUPER_MASK)); } bytes *= nent; } |