From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753600AbcA0FVx (ORCPT ); Wed, 27 Jan 2016 00:21:53 -0500 Received: from mail-gw1-out.broadcom.com ([216.31.210.62]:52107 "EHLO mail-gw1-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751322AbcA0FVr (ORCPT ); Wed, 27 Jan 2016 00:21:47 -0500 X-IronPort-AV: E=Sophos;i="5.22,353,1449561600"; d="scan'208";a="86551279" From: Anup Patel To: Catalin Marinas , Joerg Roedel , Will Deacon , Robin Murphy , Sricharan R , Linux IOMMU , Linux ARM Kernel CC: Rob Herring , Pawel Moll , "Mark Rutland" , Ian Campbell , Kumar Gala , "Device Tree" , Ray Jui , Scott Branden , Vikram Prakash , "Linux Kernel" , BCM Kernel Feedback , Anup Patel Subject: [RFC PATCH 3/6] of: iommu: Increment DT node refcount in of_iommu_set_ops() Date: Wed, 27 Jan 2016 10:51:16 +0530 Message-ID: <1453872079-27140-4-git-send-email-anup.patel@broadcom.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1453872079-27140-1-git-send-email-anup.patel@broadcom.com> References: <1453872079-27140-1-git-send-email-anup.patel@broadcom.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We are saving pointer to iommu DT node in of_iommu_set_ops() hence we should increment DT node ref count. Signed-off-by: Anup Patel Reviewed-by: Ray Jui Reviewed-by: Scott Branden --- drivers/iommu/of_iommu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c index 60ba238..5fea665 100644 --- a/drivers/iommu/of_iommu.c +++ b/drivers/iommu/of_iommu.c @@ -110,6 +110,7 @@ void of_iommu_set_ops(struct device_node *np, struct iommu_ops *ops) if (WARN_ON(!iommu)) return; + of_node_get(np); INIT_LIST_HEAD(&iommu->list); iommu->np = np; iommu->ops = ops; -- 1.9.1