linux-kernel - [PATCH] memory: tegra: Add a missing 'of_node

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Message-Id: <20170104071324.32721-1-christophe.jaillet@wanadoo.fr>
Date:   Wed,  4 Jan 2017 08:13:24 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     swarren@...dotorg.org, thierry.reding@...il.com, gnurou@...il.com
Cc:     linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] memory: tegra: Add a missing 'of_node_put()' call

If 'of_find_device_by_node()' fails, an 'of_node_put()' call is missing in
the error handling path.
Fix it by reordering the code.

While at it, remove some empty lines in a more or less similar construction
a few lines below.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/memory/tegra/tegra124-emc.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/memory/tegra/tegra124-emc.c b/drivers/memory/tegra/tegra124-emc.c
index 06cc781ebac1..392dc8dd481f 100644
--- a/drivers/memory/tegra/tegra124-emc.c
+++ b/drivers/memory/tegra/tegra124-emc.c
@@ -1115,11 +1115,10 @@ static int tegra_emc_probe(struct platform_device *pdev)
 	}
 
 	mc = of_find_device_by_node(np);
+	of_node_put(np);
 	if (!mc)
 		return -ENOENT;
 
-	of_node_put(np);
-
 	emc->mc = platform_get_drvdata(mc);
 	if (!emc->mc)
 		return -EPROBE_DEFER;
@@ -1135,9 +1134,7 @@ static int tegra_emc_probe(struct platform_device *pdev)
 	}
 
 	err = tegra_emc_load_timings_from_dt(emc, np);
-
 	of_node_put(np);
-
 	if (err)
 		return err;
 
-- 
2.9.3