lp8727_charger: Use devm_kzalloc()

Use devm_kzalloc() rather than kzalloc()/kfree() to make
allocating/freeing the private data simpler.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>

1 files changed, 2 insertions, 6 deletions

diff --git a/drivers/power/lp8727_charger.c b/drivers/power/lp8727_charger.c
index 5c56d7e46993..0d3cb1de2eb1 100644
--- a/drivers/power/lp8727_charger.c
+++ b/drivers/power/lp8727_charger.c
@@ -360,7 +360,7 @@ static int lp8727_register_psy(struct lp8727_chg *pchg)
 {
         struct lp8727_psy *psy;
 
-        psy = kzalloc(sizeof(*psy), GFP_KERNEL);
+        psy = devm_kzalloc(pchg->dev, sizeof(*psy), GFP_KERNEL);
         if (!psy)
                 return -ENOMEM;
 
@@ -405,7 +405,6 @@ err_psy_batt:
 err_psy_usb:
         power_supply_unregister(&psy->ac);
 err_psy_ac:
-        kfree(psy);
         return -EPERM;
 }
 
@@ -419,7 +418,6 @@ static void lp8727_unregister_psy(struct lp8727_chg *pchg)
         power_supply_unregister(&psy->ac);
         power_supply_unregister(&psy->usb);
         power_supply_unregister(&psy->batt);
-        kfree(psy);
 }
 
 static int lp8727_probe(struct i2c_client *cl, const struct i2c_device_id *id)
@@ -430,7 +428,7 @@ static int lp8727_probe(struct i2c_client *cl, const struct i2c_device_id *id)
         if (!i2c_check_functionality(cl->adapter, I2C_FUNC_SMBUS_I2C_BLOCK))
                 return -EIO;
 
-        pchg = kzalloc(sizeof(*pchg), GFP_KERNEL);
+        pchg = devm_kzalloc(&cl->dev, sizeof(*pchg), GFP_KERNEL);
         if (!pchg)
                 return -ENOMEM;
 
@@ -462,7 +460,6 @@ static int lp8727_probe(struct i2c_client *cl, const struct i2c_device_id *id)
         return 0;
 
 error:
-        kfree(pchg);
         return ret;
 }
 
@@ -474,7 +471,6 @@ static int __devexit lp8727_remove(struct i2c_client *cl)
         free_irq(pchg->client->irq, pchg);
         flush_workqueue(pchg->irqthread);
         destroy_workqueue(pchg->irqthread);
-        kfree(pchg);
         return 0;
 }