From: Joerg Roedel Date: Thu, 19 Jul 2012 08:56:10 +0000 (+0200) Subject: iommu/amd: Add missing spin_lock initialization X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2c13d47a1a7ee8808796016c617aef25fd1d1925;p=linux-beck.git 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 --- 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;