diff options
| author | Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com> | 2017-02-27 14:30:25 +0200 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2017-03-10 18:23:34 +0000 |
| commit | ed46e66cc1b3d684042f92dfa2ab15ee917b4cac (patch) | |
| tree | a0307607cdfb450cabc1494fd2bc9945d967bdb3 /drivers/base | |
| 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>
Diffstat (limited to 'drivers/base')
0 files changed, 0 insertions, 0 deletions