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| author | Jason Gunthorpe <jgg@nvidia.com> | 2023-02-21 16:11:03 +0100 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-02-21 16:11:03 +0100 |
| commit | 939204e4df962982cbc84acc26b29b421dd530a8 (patch) | |
| tree | 753698947a28ff1f18857d198a671317352f16c8 /drivers/iommu/iommu.c | |
| parent | iommufd: Do not add the same hwpt to the ioas->hwpt_list twice (diff) | |
| parent | Linux 6.2 (diff) | |
| download | linux-939204e4df962982cbc84acc26b29b421dd530a8.tar.xz linux-939204e4df962982cbc84acc26b29b421dd530a8.zip | |
Merge tag 'v6.2' into iommufd.git for-next
Resolve conflicts from the signature change in iommu_map:
- drivers/infiniband/hw/usnic/usnic_uiom.c
Switch iommu_map_atomic() to iommu_map(.., GFP_ATOMIC)
- drivers/vfio/vfio_iommu_type1.c
Following indenting change for GFP_KERNEL
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/iommu/iommu.c')
| -rw-r--r-- | drivers/iommu/iommu.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index dd9b60897c86..501e8bcf1aaa 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -3196,14 +3196,16 @@ EXPORT_SYMBOL_GPL(iommu_group_claim_dma_owner); */ int iommu_device_claim_dma_owner(struct device *dev, void *owner) { - struct iommu_group *group = iommu_group_get(dev); + struct iommu_group *group; int ret = 0; - if (!group) - return -ENODEV; if (WARN_ON(!owner)) return -EINVAL; + group = iommu_group_get(dev); + if (!group) + return -ENODEV; + mutex_lock(&group->mutex); if (group->owner_cnt) { if (group->owner != owner) { |