| commit | ed46e66cc1b3d684042f92dfa2ab15ee917b4cac | [log] [tgz] |
|---|---|---|
| author | Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com> | Mon Feb 27 14:30:25 2017 +0200 |
| committer | Will Deacon <will.deacon@arm.com> | Fri Mar 10 18:23:34 2017 +0000 |
| tree | a0307607cdfb450cabc1494fd2bc9945d967bdb3 | |
| parent | c1ae3cfa0e89fa1a7ecc4c99031f5e9ae99d9201 [diff] |
iommu/io-pgtable-arm: Check for leaf entry before dereferencing it Do a check for already installed leaf entry at the current level before dereferencing it in order to avoid walking the page table down with wrong pointer to the next level. Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com> CC: Will Deacon <will.deacon@arm.com> CC: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>