From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030497Ab2HGWic (ORCPT ); Tue, 7 Aug 2012 18:38:32 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:56801 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030417Ab2HGWiX (ORCPT ); Tue, 7 Aug 2012 18:38:23 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Greg KH , torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Joerg Roedel Subject: [ 042/109] iommu/amd: Add missing spin_lock initialization Date: Tue, 7 Aug 2012 15:35:01 -0700 Message-Id: <20120807222046.795181962@linuxfoundation.org> X-Mailer: git-send-email 1.7.10.1.362.g242cab3 In-Reply-To: <20120807222043.089735600@linuxfoundation.org> References: <20120807222043.089735600@linuxfoundation.org> User-Agent: quilt/0.60-20.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Greg KH 3.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Joerg Roedel commit 2c13d47a1a7ee8808796016c617aef25fd1d1925 upstream. Add missing spin_lock initialization in amd_iommu_bind_pasid() function and make lockdep happy again. Signed-off-by: Joerg Roedel Signed-off-by: Greg Kroah-Hartman --- 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;