| From | Greg Kroah-Hartman <> | Subject | [ 042/109] iommu/amd: Add missing spin_lock initialization | Date | Tue, 7 Aug 2012 15:35:01 -0700 |
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From: Greg KH <gregkh@linuxfoundation.org>
3.4-stable review patch. If anyone has any objections, please let me know.
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From: Joerg Roedel <joerg.roedel@amd.com>
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>
--- drivers/iommu/amd_iommu_v2.c | 2 ++ 1 file changed, 2 insertions(+)
--- 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 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;
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