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| author | Shameer Kolothum <shameerali.kolothum.thodi@huawei.com> | 2021-03-03 17:36:11 +0000 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2021-03-18 10:48:10 +0100 |
| commit | b9abb19fa5fd2d8a4be61c6cd4b2a48aa1a17f9c (patch) | |
| tree | 5b952707b8b623121a2ffe86d65b2d89b80d0240 /Documentation | |
| parent | 1e28eed17697bcf343c6743f0028cc3b5dd88bf0 (diff) | |
iommu: Check dev->iommu in iommu_dev_xxx functions
The device iommu probe/attach might have failed leaving dev->iommu
to NULL and device drivers may still invoke these functions resulting
in a crash in iommu vendor driver code.
Hence make sure we check that.
Fixes: a3a195929d40 ("iommu: Add APIs for multiple domains per device")
Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/20210303173611.520-1-shameerali.kolothum.thodi@huawei.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'Documentation')
0 files changed, 0 insertions, 0 deletions