From: Rosen Penev <rosenp@gmail.com>
Date: Wed, 30 Oct 2024 20:37:16 +0000 (-0700)
Subject: net: ibm: emac: tah: use devm for kzalloc
X-Git-Tag: v6.13-rc1~135^2~152^2~11
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=96111f1ec6bf14b6367395bf4d36797155ae354e;p=thirdparty%2Fkernel%2Flinux.git

net: ibm: emac: tah: use devm for kzalloc

Simplifies the probe function by removing gotos.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://patch.msgid.link/20241030203727.6039-2-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---

diff --git a/drivers/net/ethernet/ibm/emac/tah.c b/drivers/net/ethernet/ibm/emac/tah.c
index c605c8ff933eb..267c23ec15d71 100644
--- a/drivers/net/ethernet/ibm/emac/tah.c
+++ b/drivers/net/ethernet/ibm/emac/tah.c
@@ -90,28 +90,25 @@ static int tah_probe(struct platform_device *ofdev)
 	struct device_node *np = ofdev->dev.of_node;
 	struct tah_instance *dev;
 	struct resource regs;
-	int rc;
 
-	rc = -ENOMEM;
-	dev = kzalloc(sizeof(struct tah_instance), GFP_KERNEL);
-	if (dev == NULL)
-		goto err_gone;
+	dev = devm_kzalloc(&ofdev->dev, sizeof(struct tah_instance),
+			   GFP_KERNEL);
+	if (!dev)
+		return -ENOMEM;
 
 	mutex_init(&dev->lock);
 	dev->ofdev = ofdev;
 
-	rc = -ENXIO;
 	if (of_address_to_resource(np, 0, &regs)) {
 		printk(KERN_ERR "%pOF: Can't get registers address\n", np);
-		goto err_free;
+		return -ENXIO;
 	}
 
-	rc = -ENOMEM;
 	dev->base = (struct tah_regs __iomem *)ioremap(regs.start,
 					       sizeof(struct tah_regs));
 	if (dev->base == NULL) {
 		printk(KERN_ERR "%pOF: Can't map device registers!\n", np);
-		goto err_free;
+		return -ENOMEM;
 	}
 
 	platform_set_drvdata(ofdev, dev);
@@ -123,11 +120,6 @@ static int tah_probe(struct platform_device *ofdev)
 	wmb();
 
 	return 0;
-
- err_free:
-	kfree(dev);
- err_gone:
-	return rc;
 }
 
 static void tah_remove(struct platform_device *ofdev)
@@ -137,7 +129,6 @@ static void tah_remove(struct platform_device *ofdev)
 	WARN_ON(dev->users != 0);
 
 	iounmap(dev->base);
-	kfree(dev);
 }
 
 static const struct of_device_id tah_match[] =