From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 14 Oct 2022 15:08:39 +0000 (+0300)
Subject: net: dsa: uninitialized variable in dsa_slave_netdevice_event()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=0a6d58a70a39d9a74882af6d00ec6df0737503ff;p=linux.git

net: dsa: uninitialized variable in dsa_slave_netdevice_event()

Return zero if both dsa_slave_dev_check() and netdev_uses_dsa() are false.

Fixes: acc43b7bf52a ("net: dsa: allow masters to join a LAG")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 1a59918d3b305..a9fde48cffd43 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -3145,7 +3145,7 @@ static int dsa_slave_netdevice_event(struct notifier_block *nb,
 	case NETDEV_CHANGELOWERSTATE: {
 		struct netdev_notifier_changelowerstate_info *info = ptr;
 		struct dsa_port *dp;
-		int err;
+		int err = 0;
 
 		if (dsa_slave_dev_check(dev)) {
 			dp = dsa_slave_to_port(dev);