From: Greg KH <gre...@linuxfoundation.org>
3.5-stable review patch. If anyone has any objections, please let me know.
------------------
From: Joerg Roedel <joerg.roe...@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.roe...@amd.com>
Signed-off-by: Greg Kroah-Hartman <gre...@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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