[PATCH 2/6] Input: adp5589: use devm_kzalloc() to allocate the kpad object

[Alexandru Ardelean]

This removes the need to manually free the kpad object and cleans up some
exit/error paths.
The error path cleanup should reduce the risk of any memory leaks with this
object.

Signed-off-by: Alexandru Ardelean <alexandru.ardel...@analog.com>
---
 drivers/input/keyboard/adp5589-keys.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/input/keyboard/adp5589-keys.c 
b/drivers/input/keyboard/adp5589-keys.c
index 4cfb26e3d79c..9f41118b4321 100644
--- a/drivers/input/keyboard/adp5589-keys.c
+++ b/drivers/input/keyboard/adp5589-keys.c
@@ -1007,7 +1007,7 @@ static int adp5589_probe(struct i2c_client *client,
                return -EINVAL;
        }
 
-       kpad = kzalloc(sizeof(*kpad), GFP_KERNEL);
+       kpad = devm_kzalloc(&client->dev, sizeof(*kpad), GFP_KERNEL);
        if (!kpad)
                return -ENOMEM;
 
@@ -1029,14 +1029,14 @@ static int adp5589_probe(struct i2c_client *client,
 
        ret = adp5589_read(client, ADP5589_5_ID);
        if (ret < 0)
-               goto err_free_mem;
+               return ret;
 
        revid = (u8) ret & ADP5589_5_DEVICE_ID_MASK;
 
        if (pdata->keymapsize) {
                ret = adp5589_keypad_add(kpad, revid);
                if (ret)
-                       goto err_free_mem;
+                       return ret;
        }
 
        ret = adp5589_setup(kpad);
@@ -1057,8 +1057,6 @@ static int adp5589_probe(struct i2c_client *client,
 
 err_keypad_remove:
        adp5589_keypad_remove(kpad);
-err_free_mem:
-       kfree(kpad);
 
        return ret;
 }
@@ -1070,7 +1068,6 @@ static int adp5589_remove(struct i2c_client *client)
        adp5589_write(client, kpad->var->reg(ADP5589_GENERAL_CFG), 0);
        adp5589_keypad_remove(kpad);
        adp5589_gpio_remove(kpad);
-       kfree(kpad);
 
        return 0;
 }
-- 
2.17.1