wm831x_backup: Use devm_kzalloc()
Use devm_kzalloc() to make cleanup paths more simple.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
diff --git a/drivers/power/wm831x_backup.c b/drivers/power/wm831x_backup.c
index d9cc169..58cbb00 100644
--- a/drivers/power/wm831x_backup.c
+++ b/drivers/power/wm831x_backup.c
@@ -169,7 +169,8 @@
struct power_supply *backup;
int ret;
- devdata = kzalloc(sizeof(struct wm831x_backup), GFP_KERNEL);
+ devdata = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_backup),
+ GFP_KERNEL);
if (devdata == NULL)
return -ENOMEM;
@@ -197,14 +198,8 @@
backup->num_properties = ARRAY_SIZE(wm831x_backup_props);
backup->get_property = wm831x_backup_get_prop;
ret = power_supply_register(&pdev->dev, backup);
- if (ret)
- goto err_kmalloc;
return ret;
-
-err_kmalloc:
- kfree(devdata);
- return ret;
}
static int wm831x_backup_remove(struct platform_device *pdev)
@@ -213,7 +208,6 @@
power_supply_unregister(&devdata->backup);
kfree(devdata->backup.name);
- kfree(devdata);
return 0;
}