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| author | Joerg Roedel <joerg.roedel@amd.com> | 2012-07-19 10:56:10 +0200 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2012-07-19 10:56:10 +0200 |
| commit | 2c13d47a1a7ee8808796016c617aef25fd1d1925 (patch) | |
| tree | 1c778c8ba13401cad5a847cba2c67b6a5e266810 /drivers/iommu | |
| parent | 3775d4818d72081e2afa2aed2442a2b9ecfc5eab (diff) | |
| download | linux-2c13d47a1a7ee8808796016c617aef25fd1d1925.tar.gz linux-2c13d47a1a7ee8808796016c617aef25fd1d1925.tar.bz2 linux-2c13d47a1a7ee8808796016c617aef25fd1d1925.zip | |
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')
| -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; |