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regulator: lp872x: handle error case

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If memory allocation gets failed on parsing the DT, then it returns error
'-ENOMEM' explicitly. Then, the driver exists from the _probe().

Signed-off-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Milo Kim 2015-08-25 14:54:12 +09:00 committed by Mark Brown
parent d9ffae15f7
commit 804486b19d
1 changed files with 7 additions and 4 deletions
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11
drivers/regulator/lp872x.c
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@ -849,7 +849,7 @@ static struct lp872x_platform_data
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
goto out;
return ERR_PTR(-ENOMEM);
of_property_read_u8(np, "ti,general-config", &pdata->general_config);
if (of_find_property(np, "ti,update-config", NULL))
@ -857,7 +857,7 @@ static struct lp872x_platform_data
pdata->dvs = devm_kzalloc(dev, sizeof(struct lp872x_dvs), GFP_KERNEL);
if (!pdata->dvs)
goto out;
return ERR_PTR(-ENOMEM);
pdata->dvs->gpio = of_get_named_gpio(np, "ti,dvs-gpio", 0);
of_property_read_u8(np, "ti,dvs-vsel", (u8 *)&pdata->dvs->vsel);
@ -910,11 +910,14 @@ static int lp872x_probe(struct i2c_client *cl, const struct i2c_device_id *id)
[LP8725] = LP8725_NUM_REGULATORS,
};
if (cl->dev.of_node)
if (cl->dev.of_node) {
pdata = lp872x_populate_pdata_from_dt(&cl->dev,
(enum lp872x_id)id->driver_data);
else
if (IS_ERR(pdata))
return PTR_ERR(pdata);
} else {
pdata = dev_get_platdata(&cl->dev);
}
lp = devm_kzalloc(&cl->dev, sizeof(struct lp872x), GFP_KERNEL);
if (!lp)