linux-kernel - [PATCH 2/2] regulator: fan53555: Fix null pointer dereference

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Message-ID: <1411048178.18649.2.camel@phoenix>
Date:	Thu, 18 Sep 2014 21:49:38 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	Mark Brown <broonie@...nel.org>
Cc:	Heiko Stuebner <heiko@...ech.de>,
	Liam Girdwood <lgirdwood@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH 2/2] regulator: fan53555: Fix null pointer dereference

Set di->regulator before dereference it.

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/regulator/fan53555.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/regulator/fan53555.c b/drivers/regulator/fan53555.c
index 70b31bf..c82fb9e 100644
--- a/drivers/regulator/fan53555.c
+++ b/drivers/regulator/fan53555.c
@@ -361,6 +361,7 @@ static int fan53555_regulator_probe(struct i2c_client *client,
 	if (!di)
 		return -ENOMEM;
 
+	di->regulator = pdata->regulator;
 	if (client->dev.of_node) {
 		const struct of_device_id *match;
 
@@ -389,7 +390,6 @@ static int fan53555_regulator_probe(struct i2c_client *client,
 		return PTR_ERR(di->regmap);
 	}
 	di->dev = &client->dev;
-	di->regulator = pdata->regulator;
 	i2c_set_clientdata(client, di);
 	/* Get chip ID */
 	ret = regmap_read(di->regmap, FAN53555_ID1, &val);
-- 
1.9.1



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