From dd19e541758882a2aea3f85412c0ba61b6481056 Mon Sep 17 00:00:00 2001 From: Vadim Pasternak Date: Mon, 18 Feb 2019 19:54:40 +0000 Subject: [PATCH] hwmon: (pmbus/tps53679) Fix driver info initialization in probe routine [ Upstream commit ff066653aeed8ee2d4dadb1e35774dd91ecbb19f ] Fix tps53679_probe() by using dynamically allocated "pmbus_driver_info" structure instead of static. Usage of static structures causes overwritten of the field "vrm_version", in case the system is equipped with several tps53679 devices with the different "vrm_version". In such case the last probed device overwrites this field for all others. Fixes: 610526527a13 ("hwmon: (pmbus) Add support for Texas Instruments tps53679 device") Signed-off-by: Vadim Pasternak Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- drivers/hwmon/pmbus/tps53679.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/hwmon/pmbus/tps53679.c b/drivers/hwmon/pmbus/tps53679.c index 85b515c..2bc352c 100644 --- a/drivers/hwmon/pmbus/tps53679.c +++ b/drivers/hwmon/pmbus/tps53679.c @@ -80,7 +80,14 @@ static struct pmbus_driver_info tps53679_info = { static int tps53679_probe(struct i2c_client *client, const struct i2c_device_id *id) { - return pmbus_do_probe(client, id, &tps53679_info); + struct pmbus_driver_info *info; + + info = devm_kmemdup(&client->dev, &tps53679_info, sizeof(*info), + GFP_KERNEL); + if (!info) + return -ENOMEM; + + return pmbus_do_probe(client, id, info); } static const struct i2c_device_id tps53679_id[] = { -- 2.7.4