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| author | Joerg Roedel <joerg.roedel@amd.com> | 2012-07-19 12:56:10 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-09 19:31:31 +0400 |
| commit | e6c1b59aaa759ae5374dedf8508ee14aff2f967f (patch) | |
| tree | 3d489f4259adb2219056879eb2e6c928e1db9d69 | |
| parent | 351bb0ecc5b0b9dc60d07a44078fa16971c7f3e7 (diff) | |
| download | linux-e6c1b59aaa759ae5374dedf8508ee14aff2f967f.tar.xz | |
iommu/amd: Add missing spin_lock initialization
commit 2c13d47a1a7ee8808796016c617aef25fd1d1925 upstream.
Add missing spin_lock initialization in
amd_iommu_bind_pasid() function and make lockdep happy
again.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/iommu/amd_iommu_v2.c | 2 |
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; |