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From: Anson Huang <anson.huang@nxp.com>
To: "shawnguo@kernel.org" <shawnguo@kernel.org>,
	"s.hauer@pengutronix.de" <s.hauer@pengutronix.de>,
	"kernel@pengutronix.de" <kernel@pengutronix.de>,
	"festevam@gmail.com" <festevam@gmail.com>,
	Leonard Crestez <leonard.crestez@nxp.com>,
	Abel Vesa <abel.vesa@nxp.com>,
	"viresh.kumar@linaro.org" <viresh.kumar@linaro.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: dl-linux-imx <linux-imx@nxp.com>
Subject: [PATCH 1/2] soc: imx: soc-imx8: Avoid unnecessary of_node_put() in error handling
Date: Tue, 21 May 2019 09:18:43 +0000	[thread overview]
Message-ID: <1558430013-18346-1-git-send-email-Anson.Huang@nxp.com> (raw)

of_node_put() is called after of_match_node() successfully called,
then in the following error handling, of_node_put() is called again
which is unnecessary, this patch adjusts the location of of_node_put()
to avoid such scenario.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
 drivers/soc/imx/soc-imx8.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/imx/soc-imx8.c b/drivers/soc/imx/soc-imx8.c
index b1bd8e2..944add2 100644
--- a/drivers/soc/imx/soc-imx8.c
+++ b/drivers/soc/imx/soc-imx8.c
@@ -86,8 +86,6 @@ static int __init imx8_soc_init(void)
 	if (!id)
 		goto free_soc;
 
-	of_node_put(root);
-
 	data = id->data;
 	if (data) {
 		soc_dev_attr->soc_id = data->name;
@@ -106,6 +104,8 @@ static int __init imx8_soc_init(void)
 	if (IS_ENABLED(CONFIG_ARM_IMX_CPUFREQ_DT))
 		platform_device_register_simple("imx-cpufreq-dt", -1, NULL, 0);
 
+	of_node_put(root);
+
 	return 0;
 
 free_rev:
-- 
2.7.4


             reply	other threads:[~2019-05-21  9:18 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-21  9:18 Anson Huang [this message]
2019-05-21  9:18 ` [PATCH 2/2] soc: imx: soc-imx8: Correct return value of error handle Anson Huang
2019-05-21 11:03 ` [PATCH 1/2] soc: imx: soc-imx8: Avoid unnecessary of_node_put() in error handling Leonard Crestez
2019-05-23 12:40 ` Shawn Guo
2019-05-24  5:53   ` Anson Huang

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