linux-kernel - [PATCH] mfd: Don't leak init_data in tps65910_i2c

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Message-ID: <alpine.LNX.2.00.1107022120171.16316@swampdragon.chaosbits.net>
Date:	Sat, 2 Jul 2011 21:21:38 +0200 (CEST)
From:	Jesper Juhl <jj@...osbits.net>
To:	linux-kernel@...r.kernel.org
cc:	Graeme Gregory <gg@...mlogic.co.uk>,
	Jorge Eduardo Candelaria <jedu@...mlogic.co.uk>,
	Samuel Ortiz <sameo@...ux.intel.com>
Subject: [PATCH] mfd: Don't leak init_data in tps65910_i2c_probe

There are a couple of situations where we leak init_data in
drivers/mfd/tps65910.c:tps65910_i2c_probe() - this patch should take
care of them.

Signed-off-by: Jesper Juhl <jj@...osbits.net>
---
 drivers/mfd/tps65910.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

 Compile tested only.

diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c
index 2229e66..0db62f4 100644
--- a/drivers/mfd/tps65910.c
+++ b/drivers/mfd/tps65910.c
@@ -144,15 +144,17 @@ static int tps65910_i2c_probe(struct i2c_client *i2c,
 		return -EINVAL;
 
 	init_data = kzalloc(sizeof(struct tps65910_platform_data), GFP_KERNEL);
-	if (init_data == NULL)
+	if (!init_data)
 		return -ENOMEM;
 
 	init_data->irq = pmic_plat_data->irq;
 	init_data->irq_base = pmic_plat_data->irq;
 
 	tps65910 = kzalloc(sizeof(struct tps65910), GFP_KERNEL);
-	if (tps65910 == NULL)
+	if (!tps65910) {
+		kfree(init_data);
 		return -ENOMEM;
+	}
 
 	i2c_set_clientdata(i2c, tps65910);
 	tps65910->dev = &i2c->dev;
@@ -174,11 +176,13 @@ static int tps65910_i2c_probe(struct i2c_client *i2c,
 	if (ret < 0)
 		goto err;
 
+	kfree(init_data);
 	return ret;
 
 err:
 	mfd_remove_devices(tps65910->dev);
 	kfree(tps65910);
+	kfree(init_data);
 	return ret;
 }
 
-- 
1.7.6


-- 
Jesper Juhl <jj@...osbits.net>       http://www.chaosbits.net/
Don't top-post http://www.catb.org/jargon/html/T/top-post.html
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