From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anup Patel Subject: [PATCH v2 3/4] of: iommu: Increment DT node refcount in of_iommu_set_ops() Date: Mon, 8 Feb 2016 10:47:31 +0530 Message-ID: <1454908652-15317-4-git-send-email-anup.patel@broadcom.com> References: <1454908652-15317-1-git-send-email-anup.patel@broadcom.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1454908652-15317-1-git-send-email-anup.patel@broadcom.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Catalin Marinas , Joerg Roedel , Will Deacon , Robin Murphy , Sricharan R , Linux IOMMU , Linux ARM Kernel Cc: Mark Rutland , Device Tree , Scott Branden , Pawel Moll , Ian Campbell , Ray Jui , Linux Kernel , Vikram Prakash , Rob Herring , BCM Kernel Feedback , Kumar Gala , Anup Patel List-Id: iommu@lists.linux-foundation.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 Reviewed-by: Robin Murphy --- 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