linux-kernel - [PATCH net-next 2/4] net: ucc_geth: use devm for alloc

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20241104210127.307420-3-rosenp@gmail.com>
Date: Mon,  4 Nov 2024 13:01:25 -0800
From: Rosen Penev <rosenp@...il.com>
To: netdev@...r.kernel.org
Cc: Andrew Lunn <andrew+netdev@...n.ch>,
	maxime.chevallier@...tlin.com,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	linuxppc-dev@...ts.ozlabs.org (open list:FREESCALE QUICC ENGINE UCC ETHERNET DRIVER),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH net-next 2/4] net: ucc_geth: use devm for alloc_etherdev

Avoids manual frees. Removes one goto.

Signed-off-by: Rosen Penev <rosenp@...il.com>
---
 drivers/net/ethernet/freescale/ucc_geth.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c
index 4bf5ff5642e7..00b868a47fd2 100644
--- a/drivers/net/ethernet/freescale/ucc_geth.c
+++ b/drivers/net/ethernet/freescale/ucc_geth.c
@@ -3691,9 +3691,8 @@ static int ucc_geth_probe(struct platform_device* ofdev)
 			ug_info->uf_info.irq);
 
 	/* Create an ethernet device instance */
-	dev = alloc_etherdev(sizeof(*ugeth));
-
-	if (dev == NULL) {
+	dev = devm_alloc_etherdev(&ofdev->dev, sizeof(*ugeth));
+	if (!dev) {
 		err = -ENOMEM;
 		goto err_deregister_fixed_link;
 	}
@@ -3733,7 +3732,7 @@ static int ucc_geth_probe(struct platform_device* ofdev)
 		if (netif_msg_probe(ugeth))
 			pr_err("%s: Cannot register net device, aborting\n",
 			       dev->name);
-		goto err_free_netdev;
+		goto err_deregister_fixed_link;
 	}
 
 	of_get_ethdev_address(np, dev);
@@ -3745,8 +3744,6 @@ static int ucc_geth_probe(struct platform_device* ofdev)
 
 	return 0;
 
-err_free_netdev:
-	free_netdev(dev);
 err_deregister_fixed_link:
 	if (of_phy_is_fixed_link(np))
 		of_phy_deregister_fixed_link(np);
@@ -3767,7 +3764,6 @@ static void ucc_geth_remove(struct platform_device* ofdev)
 		of_phy_deregister_fixed_link(np);
 	of_node_put(ugeth->ug_info->tbi_node);
 	of_node_put(ugeth->ug_info->phy_node);
-	free_netdev(dev);
 }
 
 static const struct of_device_id ucc_geth_match[] = {
-- 
2.47.0