pinctrl: mcp23s08: use managed kzalloc for mcp

Let's remove a few lines of code by using managed memory for mcp
variable.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/pinctrl-mcp23s08.c b/drivers/pinctrl/pinctrl-mcp23s08.c
index 94d2c19a6989795ccd9ad93576d0c8e0569154bc..4d2e1c3c0e87b62118f0c4b631a45865e91f2020 100644 (file)
--- a/drivers/pinctrl/pinctrl-mcp23s08.c
+++ b/drivers/pinctrl/pinctrl-mcp23s08.c
@@ -1019,7 +1019,7 @@ static int mcp230xx_probe(struct i2c_client *client,
                }
        }
 
-       mcp = kzalloc(sizeof(*mcp), GFP_KERNEL);
+       mcp = devm_kzalloc(&client->dev, sizeof(*mcp), GFP_KERNEL);
        if (!mcp)
                return -ENOMEM;
 
@@ -1027,16 +1027,11 @@ static int mcp230xx_probe(struct i2c_client *client,
        status = mcp23s08_probe_one(mcp, &client->dev, client, client->addr,
                                    id->driver_data, pdata, 0);
        if (status)
-               goto fail;
+               return status;
 
        i2c_set_clientdata(client, mcp);
 
        return 0;
-
-fail:
-       kfree(mcp);
-
-       return status;
 }
 
 static int mcp230xx_remove(struct i2c_client *client)
@@ -1044,7 +1039,6 @@ static int mcp230xx_remove(struct i2c_client *client)
        struct mcp23s08 *mcp = i2c_get_clientdata(client);
 
        gpiochip_remove(&mcp->chip);
-       kfree(mcp);
 
        return 0;
 }