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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-03 05:09:00 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-03 05:09:00 +0000 |
| commit | 953b921688bb14675ebdf3c36148d5a6cd7e1a76 (patch) | |
| tree | 5a6ca8716e751fa40acca955073c8e5e5595c74e /drivers/iommu | |
| parent | Releasing progress-linux version 6.8.11-1~progress7.99u1. (diff) | |
| download | linux-953b921688bb14675ebdf3c36148d5a6cd7e1a76.tar.xz linux-953b921688bb14675ebdf3c36148d5a6cd7e1a76.zip | |
Merging upstream version 6.8.12.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/iommu.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index ad33161f23..e606d250d1 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -3510,15 +3510,26 @@ EXPORT_SYMBOL_GPL(iommu_group_dma_owner_claimed); static int __iommu_set_group_pasid(struct iommu_domain *domain, struct iommu_group *group, ioasid_t pasid) { - struct group_device *device; - int ret = 0; + struct group_device *device, *last_gdev; + int ret; for_each_group_device(group, device) { ret = domain->ops->set_dev_pasid(domain, device->dev, pasid); if (ret) - break; + goto err_revert; } + return 0; + +err_revert: + last_gdev = device; + for_each_group_device(group, device) { + const struct iommu_ops *ops = dev_iommu_ops(device->dev); + + if (device == last_gdev) + break; + ops->remove_dev_pasid(device->dev, pasid); + } return ret; } @@ -3576,10 +3587,8 @@ int iommu_attach_device_pasid(struct iommu_domain *domain, } ret = __iommu_set_group_pasid(domain, group, pasid); - if (ret) { - __iommu_remove_group_pasid(group, pasid); + if (ret) xa_erase(&group->pasid_array, pasid); - } out_unlock: mutex_unlock(&group->mutex); return ret; |