linux-kernel - [PATCH] clk: gpio: fix memory leak in of_gpio_clk

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Date:	Wed, 16 Dec 2015 10:28:31 -0800
From:	Brian Norris <computersforpeace@...il.com>
To:	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...eaurora.org>
Cc:	linux-clk@...r.kernel.org, <linux-kernel@...r.kernel.org>,
	Brian Norris <computersforpeace@...il.com>,
	Jyri Sarha <jsarha@...com>, Sergej Sawazki <ce3a@....de>
Subject: [PATCH] clk: gpio: fix memory leak in of_gpio_clk_setup()

Reported by Coverity.

Fixes: f66541ba02d5 ("clk: gpio: Get parent clk names in of_gpio_clk_setup()")
Signed-off-by: Brian Norris <computersforpeace@...il.com>
Cc: Jyri Sarha <jsarha@...com>
Cc: Sergej Sawazki <ce3a@....de>
Cc: Stephen Boyd <sboyd@...eaurora.org>
---
 drivers/clk/clk-gpio.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/clk-gpio.c b/drivers/clk/clk-gpio.c
index 335322dc403f..c1baa89cbf91 100644
--- a/drivers/clk/clk-gpio.c
+++ b/drivers/clk/clk-gpio.c
@@ -294,8 +294,10 @@ static void __init of_gpio_clk_setup(struct device_node *node,
 	num_parents = of_clk_get_parent_count(node);
 
 	parent_names = kcalloc(num_parents, sizeof(char *), GFP_KERNEL);
-	if (!parent_names)
+	if (!parent_names) {
+		kfree(data);
 		return;
+	}
 
 	for (i = 0; i < num_parents; i++)
 		parent_names[i] = of_clk_get_parent_name(node, i);
-- 
2.6.0.rc2.230.g3dd15c0

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