[PATCH gpio 1/4] drivers: gpio: use devm_kzalloc

[Varka Bhadram]

We can use devres API for allocating memory. No need of using kfree.

Signed-off-by: Varka Bhadram <var...@cdac.in>
---
 drivers/gpio/gpio-adp5588.c  |    3 +--
 drivers/gpio/gpio-mcp23s08.c |    7 ++++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpio/gpio-adp5588.c b/drivers/gpio/gpio-adp5588.c
index 3beed6e..0de8c70 100644
--- a/drivers/gpio/gpio-adp5588.c
+++ b/drivers/gpio/gpio-adp5588.c
@@ -378,7 +378,7 @@ static int adp5588_gpio_probe(struct i2c_client *client,
                return -EIO;
        }
 
-       dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+       dev = devm_kzalloc(&client->dev, sizeof(*dev), GFP_KERNEL);
        if (dev == NULL)
                return -ENOMEM;
 
@@ -446,7 +446,6 @@ static int adp5588_gpio_probe(struct i2c_client *client,
 err_irq:
        adp5588_irq_teardown(dev);
 err:
-       kfree(dev);
        return ret;
 }
 
diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c
index eea5d7e..a17b81f 100644
--- a/drivers/gpio/gpio-mcp23s08.c
+++ b/drivers/gpio/gpio-mcp23s08.c
@@ -949,10 +949,12 @@ static int mcp23s08_probe(struct spi_device *spi)
        if (!chips)
                return -ENODEV;
 
-       data = kzalloc(sizeof(*data) + chips * sizeof(struct mcp23s08),
-                       GFP_KERNEL);
+       data = devm_kzalloc(&spi->dev,
+                           sizeof(*data) + chips * sizeof(struct mcp23s08),
+                           GFP_KERNEL);
        if (!data)
                return -ENOMEM;
+
        spi_set_drvdata(spi, data);
 
        spi->irq = irq_of_parse_and_map(spi->dev.of_node, 0);
@@ -989,7 +991,6 @@ fail:
                        continue;
                gpiochip_remove(&data->mcp[addr]->chip);
        }
-       kfree(data);
        return status;
 }
 
-- 
1.7.9.5

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