Merge branches 'iommu/fixes', 'x86/amd', 'groups', 'arm/tegra' and 'api/domain-attr...

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / iommu / amd_iommu_v2.c

diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 77c28b7..0d50f9a 100644 (file)
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -681,6 +681,8 @@ int amd_iommu_bind_pasid(struct pci_dev *pdev, int pasid,
 
        atomic_set(&pasid_state->count, 1);
        init_waitqueue_head(&pasid_state->wq);
+       spin_lock_init(&pasid_state->lock);
+
        pasid_state->task         = task;
        pasid_state->mm           = get_task_mm(task);
        pasid_state->device_state = dev_state;