commit 0a5c6a2276fe06a3ebb6a9ed26c0b8007074958e
author Frans Klaver <frans.klaver@xsens.com> Wed Jan 14 09:15:34 2015 +0100
committer Sebastian Reichel <sre@kernel.org> Tue Jan 20 13:58:27 2015 +0100
tree 7864e40f3c10ef4012c03229b767637831c65a4d
parent 0160817d10a97900b9ee08a8b8b2f5a148e2be0f

power: reset: ltc2952: prefer devm_kzalloc over kzalloc

Make use of the fact that the allocated resources can be automatically
deallocated. This reduces cleanup code and chance of leaks.

Signed-off-by: Frans Klaver <frans.klaver@xsens.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>

drivers/power/reset/ltc2952-poweroff.c

diff --git a/drivers/power/reset/ltc2952-poweroff.c b/drivers/power/reset/ltc2952-poweroff.c
index 34f38a3..6487b99 100644
--- a/drivers/power/reset/ltc2952-poweroff.c
+++ b/drivers/power/reset/ltc2952-poweroff.c
@@ -292,7 +292,8 @@
 		return -EBUSY;
 	}
 
-	ltc2952_data = kzalloc(sizeof(*ltc2952_data), GFP_KERNEL);
+	ltc2952_data = devm_kzalloc(&pdev->dev, sizeof(*ltc2952_data),
+				    GFP_KERNEL);
 	if (!ltc2952_data)
 		return -ENOMEM;
 
@@ -300,17 +301,13 @@
 
 	ret = ltc2952_poweroff_init(pdev);
 	if (ret)
-		goto err;
+		return ret;
 
 	pm_power_off = &ltc2952_poweroff_kill;
 
 	dev_info(&pdev->dev, "probe successful\n");
 
 	return 0;
-
-err:
-	kfree(ltc2952_data);
-	return ret;
 }
 
 static int ltc2952_poweroff_remove(struct platform_device *pdev)
@@ -324,8 +321,6 @@
 
 		for (i = 0; i < ARRAY_SIZE(ltc2952_data->gpio); i++)
 			gpiod_put(ltc2952_data->gpio[i]);
-
-		kfree(ltc2952_data);
 	}
 
 	return 0;