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net: bridge: vlan: fix error return code in __vlan_add()

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[ Upstream commit ee4f52a8de2c6f78b01f10b4c330867d88c1653a ]

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: f8ed289fab84 ("bridge: vlan: use br_vlan_(get|put)_master to deal with refcounts")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Acked-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Link: https://lore.kernel.org/r/1607071737-33875-1-git-send-email-zhangchangzhong@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Zhang Changzhong 2020-12-04 16:48:56 +08:00 committed by Greg Kroah-Hartman
parent 090679339e
commit 5b932ef23f
1 changed files with 3 additions and 1 deletions
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4
net/bridge/br_vlan.c
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@ -238,8 +238,10 @@ static int __vlan_add(struct net_bridge_vlan *v, u16 flags)
}
masterv = br_vlan_get_master(br, v->vid);
if (!masterv)
if (!masterv) {
err = -ENOMEM;
goto out_filt;
}
v->brvlan = masterv;
v->stats = masterv->stats;
}