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| author | Eric Dumazet <edumazet@google.com> | 2020-01-07 01:42:25 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-12 12:12:08 +0100 |
| commit | 841d685ca1154db46d409883a48d15409819a838 (patch) | |
| tree | 43cefbb7d681de600aee368779cfb0a394d830f8 | |
| parent | 36821b48f5203d5490349e514c2774ff9784bebc (diff) | |
| download | linux-stable-841d685ca1154db46d409883a48d15409819a838.tar.gz linux-stable-841d685ca1154db46d409883a48d15409819a838.tar.bz2 linux-stable-841d685ca1154db46d409883a48d15409819a838.zip | |
vlan: vlan_changelink() should propagate errors
[ Upstream commit eb8ef2a3c50092bb018077c047b8dba1ce0e78e3 ]
Both vlan_dev_change_flags() and vlan_dev_set_egress_priority()
can return an error. vlan_changelink() should not ignore them.
Fixes: 07b5b17e157b ("[VLAN]: Use rtnl_link API")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | net/8021q/vlan_netlink.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c index 5e831de3103e..ef7e18a27719 100644 --- a/net/8021q/vlan_netlink.c +++ b/net/8021q/vlan_netlink.c @@ -95,11 +95,13 @@ static int vlan_changelink(struct net_device *dev, struct nlattr *tb[], struct ifla_vlan_flags *flags; struct ifla_vlan_qos_mapping *m; struct nlattr *attr; - int rem; + int rem, err; if (data[IFLA_VLAN_FLAGS]) { flags = nla_data(data[IFLA_VLAN_FLAGS]); - vlan_dev_change_flags(dev, flags->flags, flags->mask); + err = vlan_dev_change_flags(dev, flags->flags, flags->mask); + if (err) + return err; } if (data[IFLA_VLAN_INGRESS_QOS]) { nla_for_each_nested(attr, data[IFLA_VLAN_INGRESS_QOS], rem) { @@ -110,7 +112,9 @@ static int vlan_changelink(struct net_device *dev, struct nlattr *tb[], if (data[IFLA_VLAN_EGRESS_QOS]) { nla_for_each_nested(attr, data[IFLA_VLAN_EGRESS_QOS], rem) { m = nla_data(attr); - vlan_dev_set_egress_priority(dev, m->from, m->to); + err = vlan_dev_set_egress_priority(dev, m->from, m->to); + if (err) + return err; } } return 0; |