Commit 2c13d47a1a7ee8808796016c617aef25fd1d1925

Authored by Joerg Roedel
1 parent 3775d4818d

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>

Showing 1 changed file with 2 additions and 0 deletions Side-by-side Diff

drivers/iommu/amd_iommu_v2.c
... ... @@ -681,6 +681,8 @@
681 681  
682 682 atomic_set(&pasid_state->count, 1);
683 683 init_waitqueue_head(&pasid_state->wq);
  684 + spin_lock_init(&pasid_state->lock);
  685 +
684 686 pasid_state->task = task;
685 687 pasid_state->mm = get_task_mm(task);
686 688 pasid_state->device_state = dev_state;