From: Dong Aisheng <aisheng.dong@nxp.com>
Date: Wed, 12 Apr 2017 01:58:42 +0000 (+0800)
Subject: regulator: anatop: check return value of of_get_regulator_init_data
X-Git-Tag: v4.12-rc1~111^2~3^2~5
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=7f51cf2ea7186e3f217e616a5522f1156678356f;hp=d00b74613fb18dfd0a5aa99270ee2e72d5c808d7;p=linux-2.6-block.git

regulator: anatop: check return value of of_get_regulator_init_data

Should check the return value of of_get_regulator_init_data before
using it.

Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c
index 3a6d0290c54c..aa93f462ac6e 100644
--- a/drivers/regulator/anatop-regulator.c
+++ b/drivers/regulator/anatop-regulator.c
@@ -200,6 +200,9 @@ static int anatop_regulator_probe(struct platform_device *pdev)
 	rdesc->owner = THIS_MODULE;
 
 	initdata = of_get_regulator_init_data(dev, np, rdesc);
+	if (!initdata)
+		return -ENOMEM;
+
 	initdata->supply_regulator = "vin";
 	sreg->initdata = initdata;