lkml.org 
[lkml]   [2013]   [Feb]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Subject[PATCH 2/3] regulator: s5m8767: Fix using wrong dev argument at various places
From
Date
Use &pdev->dev rather than iodev->dev for dev_err(), dev_warn() and dev_info().
Use &pdev->dev rather than iodev->dev for devm_kzalloc() and
of_get_regulator_init_data(), this fixes memory leak.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
drivers/regulator/s5m8767.c | 47 ++++++++++++++++++++++---------------------
1 file changed, 24 insertions(+), 23 deletions(-)

diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 194b5dd..4cb65e3 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -479,7 +479,7 @@ static struct regulator_desc regulators[] = {
};

#ifdef CONFIG_OF
-static int s5m8767_pmic_dt_parse_dvs_gpio(struct sec_pmic_dev *iodev,
+static int s5m8767_pmic_dt_parse_dvs_gpio(struct platform_device *pdev,
struct sec_platform_data *pdata,
struct device_node *pmic_np)
{
@@ -489,7 +489,7 @@ static int s5m8767_pmic_dt_parse_dvs_gpio(struct sec_pmic_dev *iodev,
gpio = of_get_named_gpio(pmic_np,
"s5m8767,pmic-buck-dvs-gpios", i);
if (!gpio_is_valid(gpio)) {
- dev_err(iodev->dev, "invalid gpio[%d]: %d\n", i, gpio);
+ dev_err(&pdev->dev, "invalid gpio[%d]: %d\n", i, gpio);
return -EINVAL;
}
pdata->buck_gpios[i] = gpio;
@@ -497,7 +497,7 @@ static int s5m8767_pmic_dt_parse_dvs_gpio(struct sec_pmic_dev *iodev,
return 0;
}

-static int s5m8767_pmic_dt_parse_ds_gpio(struct sec_pmic_dev *iodev,
+static int s5m8767_pmic_dt_parse_ds_gpio(struct platform_device *pdev,
struct sec_platform_data *pdata,
struct device_node *pmic_np)
{
@@ -507,7 +507,7 @@ static int s5m8767_pmic_dt_parse_ds_gpio(struct sec_pmic_dev *iodev,
gpio = of_get_named_gpio(pmic_np,
"s5m8767,pmic-buck-ds-gpios", i);
if (!gpio_is_valid(gpio)) {
- dev_err(iodev->dev, "invalid gpio[%d]: %d\n", i, gpio);
+ dev_err(&pdev->dev, "invalid gpio[%d]: %d\n", i, gpio);
return -EINVAL;
}
pdata->buck_ds[i] = gpio;
@@ -515,9 +515,10 @@ static int s5m8767_pmic_dt_parse_ds_gpio(struct sec_pmic_dev *iodev,
return 0;
}

-static int s5m8767_pmic_dt_parse_pdata(struct sec_pmic_dev *iodev,
+static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev,
struct sec_platform_data *pdata)
{
+ struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent);
struct device_node *pmic_np, *regulators_np, *reg_np;
struct sec_regulator_data *rdata;
struct sec_opmode_data *rmode;
@@ -525,31 +526,31 @@ static int s5m8767_pmic_dt_parse_pdata(struct sec_pmic_dev *iodev,

pmic_np = iodev->dev->of_node;
if (!pmic_np) {
- dev_err(iodev->dev, "could not find pmic sub-node\n");
+ dev_err(&pdev->dev, "could not find pmic sub-node\n");
return -ENODEV;
}

regulators_np = of_find_node_by_name(pmic_np, "regulators");
if (!regulators_np) {
- dev_err(iodev->dev, "could not find regulators sub-node\n");
+ dev_err(&pdev->dev, "could not find regulators sub-node\n");
return -EINVAL;
}

/* count the number of regulators to be supported in pmic */
pdata->num_regulators = of_get_child_count(regulators_np);

- rdata = devm_kzalloc(iodev->dev, sizeof(*rdata) *
+ rdata = devm_kzalloc(&pdev->dev, sizeof(*rdata) *
pdata->num_regulators, GFP_KERNEL);
if (!rdata) {
- dev_err(iodev->dev,
+ dev_err(&pdev->dev,
"could not allocate memory for regulator data\n");
return -ENOMEM;
}

- rmode = devm_kzalloc(iodev->dev, sizeof(*rmode) *
+ rmode = devm_kzalloc(&pdev->dev, sizeof(*rmode) *
pdata->num_regulators, GFP_KERNEL);
if (!rdata) {
- dev_err(iodev->dev,
+ dev_err(&pdev->dev,
"could not allocate memory for regulator mode\n");
return -ENOMEM;
}
@@ -562,7 +563,7 @@ static int s5m8767_pmic_dt_parse_pdata(struct sec_pmic_dev *iodev,
break;

if (i == ARRAY_SIZE(regulators)) {
- dev_warn(iodev->dev,
+ dev_warn(&pdev->dev,
"don't know how to configure regulator %s\n",
reg_np->name);
continue;
@@ -570,13 +571,13 @@ static int s5m8767_pmic_dt_parse_pdata(struct sec_pmic_dev *iodev,

rdata->id = i;
rdata->initdata = of_get_regulator_init_data(
- iodev->dev, reg_np);
+ &pdev->dev, reg_np);
rdata->reg_node = reg_np;
rdata++;
rmode->id = i;
if (of_property_read_u32(reg_np, "op_mode",
&rmode->mode)) {
- dev_warn(iodev->dev,
+ dev_warn(&pdev->dev,
"no op_mode property property at %s\n",
reg_np->full_name);

@@ -596,7 +597,7 @@ static int s5m8767_pmic_dt_parse_pdata(struct sec_pmic_dev *iodev,

if (pdata->buck2_gpiodvs || pdata->buck3_gpiodvs ||
pdata->buck4_gpiodvs) {
- ret = s5m8767_pmic_dt_parse_dvs_gpio(iodev, pdata, pmic_np);
+ ret = s5m8767_pmic_dt_parse_dvs_gpio(pdev, pdata, pmic_np);
if (ret)
return -EINVAL;

@@ -607,42 +608,42 @@ static int s5m8767_pmic_dt_parse_pdata(struct sec_pmic_dev *iodev,
} else {
if (pdata->buck_default_idx >= 8) {
pdata->buck_default_idx = 0;
- dev_info(iodev->dev,
+ dev_info(&pdev->dev,
"invalid value for default dvs index, use 0\n");
}
}
dvs_voltage_nr = 8;
}

- ret = s5m8767_pmic_dt_parse_ds_gpio(iodev, pdata, pmic_np);
+ ret = s5m8767_pmic_dt_parse_ds_gpio(pdev, pdata, pmic_np);
if (ret)
return -EINVAL;

if (of_property_read_u32_array(pmic_np,
"s5m8767,pmic-buck2-dvs-voltage",
pdata->buck2_voltage, dvs_voltage_nr)) {
- dev_err(iodev->dev, "buck2 voltages not specified\n");
+ dev_err(&pdev->dev, "buck2 voltages not specified\n");
return -EINVAL;
}

if (of_property_read_u32_array(pmic_np,
"s5m8767,pmic-buck3-dvs-voltage",
pdata->buck3_voltage, dvs_voltage_nr)) {
- dev_err(iodev->dev, "buck3 voltages not specified\n");
+ dev_err(&pdev->dev, "buck3 voltages not specified\n");
return -EINVAL;
}

if (of_property_read_u32_array(pmic_np,
"s5m8767,pmic-buck4-dvs-voltage",
pdata->buck4_voltage, dvs_voltage_nr)) {
- dev_err(iodev->dev, "buck4 voltages not specified\n");
+ dev_err(&pdev->dev, "buck4 voltages not specified\n");
return -EINVAL;
}

return 0;
}
#else
-static int s5m8767_pmic_dt_parse_pdata(struct sec_pmic_dev *iodev,
+static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev,
struct sec_platform_data *pdata)
{
return 0;
@@ -659,13 +660,13 @@ static int s5m8767_pmic_probe(struct platform_device *pdev)
int i, ret, size, buck_init;

if (iodev->dev->of_node) {
- ret = s5m8767_pmic_dt_parse_pdata(iodev, pdata);
+ ret = s5m8767_pmic_dt_parse_pdata(pdev, pdata);
if (ret)
return ret;
}

if (!pdata) {
- dev_err(pdev->dev.parent, "Platform data not supplied\n");
+ dev_err(&pdev->dev, "Platform data not supplied\n");
return -ENODEV;
}

--
1.7.9.5




\
 
 \ /
  Last update: 2013-02-06 04:41    [W:0.072 / U:0.760 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site