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path: root/drivers/iommu/amd_iommu_v2.c
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Diffstat (limited to 'drivers/iommu/amd_iommu_v2.c')
-rw-r--r--drivers/iommu/amd_iommu_v2.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 036fe9bf157e..0d50f9afd37f 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -81,7 +81,7 @@ struct fault {
u16 flags;
};
-struct device_state **state_table;
+static struct device_state **state_table;
static spinlock_t state_lock;
/* List and lock for all pasid_states */
@@ -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;