Messages in this thread Patch in this message | | | From | Joerg Roedel <> | Subject | [PATCH 1/2] iommu/amd: Add missing spin_lock initialization | Date | Thu, 19 Jul 2012 13:45:20 +0200 |
| |
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> --- drivers/iommu/amd_iommu_v2.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c index 036fe9b..a1f1bc8 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; -- 1.7.9.5
| |