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| author |   Eric Dumazet <edumazet@google.com> | 2020-01-07 01:42:25 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-01-07 13:35:14 -0800 |
| commit | eb8ef2a3c50092bb018077c047b8dba1ce0e78e3 (patch) | |
| tree | df912ab83fce82448d560bddd8883a898aa7fb13 /net/8021q | |
| parent | vlan: fix memory leak in vlan_dev_set_egress_priority (diff) | |
| download | linux-dev-eb8ef2a3c50092bb018077c047b8dba1ce0e78e3.tar.xz linux-dev-eb8ef2a3c50092bb018077c047b8dba1ce0e78e3.zip | |
vlan: vlan_changelink() should propagate errors
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>
Diffstat (limited to 'net/8021q')
| -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 b2a4b8b5a0cd..0db85aeb119b 100644 --- a/net/8021q/vlan_netlink.c +++ b/net/8021q/vlan_netlink.c @@ -108,11 +108,13 @@ 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) { @@ -123,7 +125,9 @@ 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; |