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authorJoerg Roedel <joerg.roedel@amd.com>2012-07-19 10:56:10 +0200
committerJoerg Roedel <joerg.roedel@amd.com>2012-07-19 10:56:10 +0200
commit2c13d47a1a7ee8808796016c617aef25fd1d1925 (patch)
tree1c778c8ba13401cad5a847cba2c67b6a5e266810 /drivers/iommu/amd_iommu_v2.c
parent3775d4818d72081e2afa2aed2442a2b9ecfc5eab (diff)
iommu/amd: Add missing spin_lock initialization
Add missing spin_lock initialization in amd_iommu_bind_pasid() function and make lockdep happy again. Cc: stable@vger.kernel.org # >= v3.3 Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu/amd_iommu_v2.c')
-rw-r--r--drivers/iommu/amd_iommu_v2.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 036fe9bf157e..a1f1bc876043 100644
--- 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;