netdev - [RFC PATCH net-next 4/9] bonding: use the correct function to check for netdev name collision

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Date:   Tue, 28 Sep 2021 14:54:55 +0200
From:   Antoine Tenart <atenart@...nel.org>
To:     davem@...emloft.net, kuba@...nel.org
Cc:     Antoine Tenart <atenart@...nel.org>, pabeni@...hat.com,
        gregkh@...uxfoundation.org, ebiederm@...ssion.com,
        stephen@...workplumber.org, herbert@...dor.apana.org.au,
        juri.lelli@...hat.com, netdev@...r.kernel.org
Subject: [RFC PATCH net-next 4/9] bonding: use the correct function to check for netdev name collision

netdev_name_node_lookup and __dev_get_by_name have two distinct aims,
one helps in name collision detection, while the other is used to
retrieve a reference to a net device from its name. Here in
bond_create_sysfs we want to check for a name collision, hence use the
correct function.

(The behaviour of the two functions was similar but will change in the
next commits).

Signed-off-by: Antoine Tenart <atenart@...nel.org>
---
 drivers/net/bonding/bond_sysfs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index b9e9842fed94..8260bf941ca3 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -811,8 +811,8 @@ int bond_create_sysfs(struct bond_net *bn)
 	 */
 	if (ret == -EEXIST) {
 		/* Is someone being kinky and naming a device bonding_master? */
-		if (__dev_get_by_name(bn->net,
-				      class_attr_bonding_masters.attr.name))
+		if (netdev_name_node_lookup(bn->net,
+					    class_attr_bonding_masters.attr.name))
 			pr_err("network device named %s already exists in sysfs\n",
 			       class_attr_bonding_masters.attr.name);
 		ret = 0;
-- 
2.31.1