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

[ Upstream commit ee4f52a8de ]

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

Fixes: f8ed289fab ("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>
5.4-rM2-2.2.x-imx-squashed
Zhang Changzhong 2020-12-04 16:48:56 +08:00 committed by Greg Kroah-Hartman
parent 2e6a15b0b3
commit cae90bd22c
1 changed files with 3 additions and 1 deletions
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4
net/bridge/br_vlan.c
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@ -260,8 +260,10 @@ static int __vlan_add(struct net_bridge_vlan *v, u16 flags,
}
masterv = br_vlan_get_master(br, v->vid, extack);
if (!masterv)
if (!masterv) {
err = -ENOMEM;
goto out_filt;
}
v->brvlan = masterv;
if (br_opt_get(br, BROPT_VLAN_STATS_PER_PORT)) {
v->stats = netdev_alloc_pcpu_stats(struct br_vlan_stats);