diff options
| -rw-r--r-- | net/core/rtnetlink.c | 128 |
1 files changed, 65 insertions, 63 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 76cc27f3f991..fd3a16e45dd9 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1197,10 +1197,6 @@ static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = { [IFLA_INFO_DATA] = { .type = NLA_NESTED }, }; -static const struct nla_policy ifla_vfinfo_policy[IFLA_VF_INFO_MAX+1] = { - [IFLA_VF_INFO] = { .type = NLA_NESTED }, -}; - static const struct nla_policy ifla_vf_policy[IFLA_VF_MAX+1] = { [IFLA_VF_MAC] = { .len = sizeof(struct ifla_vf_mac) }, [IFLA_VF_VLAN] = { .len = sizeof(struct ifla_vf_vlan) }, @@ -1274,67 +1270,66 @@ static int validate_linkmsg(struct net_device *dev, struct nlattr *tb[]) return 0; } -static int do_setvfinfo(struct net_device *dev, struct nlattr *attr) +static int do_setvfinfo(struct net_device *dev, struct nlattr **tb) { - int rem, err = -EINVAL; - struct nlattr *vf; const struct net_device_ops *ops = dev->netdev_ops; + int err = -EINVAL; - nla_for_each_nested(vf, attr, rem) { - switch (nla_type(vf)) { - case IFLA_VF_MAC: { - struct ifla_vf_mac *ivm; - ivm = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_mac) - err = ops->ndo_set_vf_mac(dev, ivm->vf, - ivm->mac); - break; - } - case IFLA_VF_VLAN: { - struct ifla_vf_vlan *ivv; - ivv = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_vlan) - err = ops->ndo_set_vf_vlan(dev, ivv->vf, - ivv->vlan, - ivv->qos); - break; - } - case IFLA_VF_TX_RATE: { - struct ifla_vf_tx_rate *ivt; - ivt = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_tx_rate) - err = ops->ndo_set_vf_tx_rate(dev, ivt->vf, - ivt->rate); - break; - } - case IFLA_VF_SPOOFCHK: { - struct ifla_vf_spoofchk *ivs; - ivs = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_spoofchk) - err = ops->ndo_set_vf_spoofchk(dev, ivs->vf, - ivs->setting); - break; - } - case IFLA_VF_LINK_STATE: { - struct ifla_vf_link_state *ivl; - ivl = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_link_state) - err = ops->ndo_set_vf_link_state(dev, ivl->vf, - ivl->link_state); - break; - } - default: - err = -EINVAL; - break; - } - if (err) - break; + if (tb[IFLA_VF_MAC]) { + struct ifla_vf_mac *ivm = nla_data(tb[IFLA_VF_MAC]); + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_mac) + err = ops->ndo_set_vf_mac(dev, ivm->vf, + ivm->mac); + if (err < 0) + return err; + } + + if (tb[IFLA_VF_VLAN]) { + struct ifla_vf_vlan *ivv = nla_data(tb[IFLA_VF_VLAN]); + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_vlan) + err = ops->ndo_set_vf_vlan(dev, ivv->vf, ivv->vlan, + ivv->qos); + if (err < 0) + return err; + } + + if (tb[IFLA_VF_TX_RATE]) { + struct ifla_vf_tx_rate *ivt = nla_data(tb[IFLA_VF_TX_RATE]); + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_tx_rate) + err = ops->ndo_set_vf_tx_rate(dev, ivt->vf, + ivt->rate); + if (err < 0) + return err; } + + if (tb[IFLA_VF_SPOOFCHK]) { + struct ifla_vf_spoofchk *ivs = nla_data(tb[IFLA_VF_SPOOFCHK]); + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_spoofchk) + err = ops->ndo_set_vf_spoofchk(dev, ivs->vf, + ivs->setting); + if (err < 0) + return err; + } + + if (tb[IFLA_VF_LINK_STATE]) { + struct ifla_vf_link_state *ivl = nla_data(tb[IFLA_VF_LINK_STATE]); + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_link_state) + err = ops->ndo_set_vf_link_state(dev, ivl->vf, + ivl->link_state); + if (err < 0) + return err; + } + return err; } @@ -1517,14 +1512,21 @@ static int do_setlink(const struct sk_buff *skb, } if (tb[IFLA_VFINFO_LIST]) { + struct nlattr *vfinfo[IFLA_VF_MAX + 1]; struct nlattr *attr; int rem; + nla_for_each_nested(attr, tb[IFLA_VFINFO_LIST], rem) { - if (nla_type(attr) != IFLA_VF_INFO) { + if (nla_type(attr) != IFLA_VF_INFO || + nla_len(attr) < NLA_HDRLEN) { err = -EINVAL; goto errout; } - err = do_setvfinfo(dev, attr); + err = nla_parse_nested(vfinfo, IFLA_VF_MAX, attr, + ifla_vf_policy); + if (err < 0) + goto errout; + err = do_setvfinfo(dev, vfinfo); if (err < 0) goto errout; modified = 1; |