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| author | Will Deacon <will.deacon@arm.com> | 2014-07-04 11:06:01 +0100 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2014-07-04 13:16:05 +0100 |
| commit | d3bca16635ae7443139c4408def7c1a50755083f (patch) | |
| tree | e88a4f7b1fca963cd350631aeb447694cc7b49fb /drivers/ata/pata_atiixp.c | |
| parent | 9c5c92e35cf5c4f7ee523d62a6bf9d5dc290350b (diff) | |
| download | blackbird-op-linux-d3bca16635ae7443139c4408def7c1a50755083f.tar.gz blackbird-op-linux-d3bca16635ae7443139c4408def7c1a50755083f.zip | |
iommu/arm-smmu: fix capability checking prior to device attach
If somebody attempts to check the capability of an IOMMU domain prior to
device attach, then we'll try to dereference a NULL SMMU pointer through
the SMMU domain (since we can't determine the actual SMMU instance until
we have a device attached).
This patch fixes the capability check so that non-global features are
reported as being absent when no device is attached to the domain.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'drivers/ata/pata_atiixp.c')
0 files changed, 0 insertions, 0 deletions
