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bonding: fix reference count leak in balance-alb mode

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Commit d5410ac7b0 ("net:bonding:support balance-alb interface
with vlan to bridge") introduced a reference count leak by not releasing
the reference acquired by ip_dev_find().  Remedy this by insuring the
reference is released.

Fixes: d5410ac7b0 ("net:bonding:support balance-alb interface with vlan to bridge")
Signed-off-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/26758.1660194413@famine
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jay Vosburgh 2022-08-10 22:06:53 -07:00 committed by Jakub Kicinski
parent ae7107baa5
commit 4f5d33f4f7
1 changed files with 4 additions and 1 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

5
drivers/net/bonding/bond_alb.c
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@ -668,9 +668,12 @@ static struct slave *rlb_arp_xmit(struct sk_buff *skb, struct bonding *bond)
dev = ip_dev_find(dev_net(bond->dev), arp->ip_src);
if (dev) {
if (netif_is_bridge_master(dev))
if (netif_is_bridge_master(dev)) {
dev_put(dev);
return NULL;
}
dev_put(dev);
}
if (arp->op_code == htons(ARPOP_REPLY)) {
/* the arp must be sent on the selected rx channel */