From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Chen Subject: [PATCH v2 03/15] ethernet: arc: emac_main: add missing of_node_put after calling of_parse_phandle Date: Mon, 1 Aug 2016 15:02:31 +0800 Message-ID: <1470034963-30506-4-git-send-email-peter.chen@nxp.com> References: <1470034963-30506-1-git-send-email-peter.chen@nxp.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , , , , , , , , , , , , , , , , Peter Chen To: Return-path: Received: from mail-bl2nam02on0059.outbound.protection.outlook.com ([104.47.38.59]:9213 "EHLO NAM02-BL2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750707AbcHAH2I (ORCPT ); Mon, 1 Aug 2016 03:28:08 -0400 In-Reply-To: <1470034963-30506-1-git-send-email-peter.chen@nxp.com> Sender: netdev-owner@vger.kernel.org List-ID: of_node_put needs to be called when the device node which is got from of_parse_phandle has finished using. Signed-off-by: Peter Chen --- drivers/net/ethernet/arc/emac_main.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c index 586beda..4bff0f3 100644 --- a/drivers/net/ethernet/arc/emac_main.c +++ b/drivers/net/ethernet/arc/emac_main.c @@ -749,14 +749,16 @@ int arc_emac_probe(struct net_device *ndev, int interface) err = of_address_to_resource(dev->of_node, 0, &res_regs); if (err) { dev_err(dev, "failed to retrieve registers base from device tree\n"); - return -ENODEV; + err = -ENODEV; + goto out_put_node; } /* Get IRQ from device tree */ irq = irq_of_parse_and_map(dev->of_node, 0); if (!irq) { dev_err(dev, "failed to retrieve value from device tree\n"); - return -ENODEV; + err = -ENODEV; + goto out_put_node; } ndev->netdev_ops = &arc_emac_netdev_ops; @@ -778,7 +780,7 @@ int arc_emac_probe(struct net_device *ndev, int interface) err = clk_prepare_enable(priv->clk); if (err) { dev_err(dev, "failed to enable clock\n"); - return err; + goto out_put_node; } clock_frequency = clk_get_rate(priv->clk); @@ -787,7 +789,8 @@ int arc_emac_probe(struct net_device *ndev, int interface) if (of_property_read_u32(dev->of_node, "clock-frequency", &clock_frequency)) { dev_err(dev, "failed to retrieve from device tree\n"); - return -EINVAL; + err = -EINVAL; + goto out_put_node; } } @@ -867,6 +870,7 @@ int arc_emac_probe(struct net_device *ndev, int interface) goto out_netif_api; } + of_node_put(phy_node); return 0; out_netif_api: @@ -877,6 +881,9 @@ out_mdio: out_clken: if (priv->clk) clk_disable_unprepare(priv->clk); +out_put_node: + of_node_put(phy_node); + return err; } EXPORT_SYMBOL_GPL(arc_emac_probe); -- 1.9.1