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rtnetlink: clean up SR-IOV config interface 

This patch consists of a few minor cleanups to the SR-IOV
configurion code in rtnetlink.
- Remove unneccesary lock
- Remove unneccesary casts
- Return correct error code for no driver support

These changes are based on comments from Patrick McHardy

Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Williams, Mitch A 2010-02-24 21:59:56 +00:00 committed by David S. Miller
parent 914c8ad2d1
commit 4edb246626
1 changed files with 5 additions and 8 deletions
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13
net/core/rtnetlink.c
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@ -930,10 +930,9 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm,
if (tb[IFLA_VF_MAC]) {
struct ifla_vf_mac *ivm;
ivm = nla_data(tb[IFLA_VF_MAC]);
write_lock_bh(&dev_base_lock);
err = -EOPNOTSUPP;
if (ops->ndo_set_vf_mac)
err = ops->ndo_set_vf_mac(dev, ivm->vf, ivm->mac);
write_unlock_bh(&dev_base_lock);
if (err < 0)
goto errout;
modified = 1;
@ -942,12 +941,11 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm,
if (tb[IFLA_VF_VLAN]) {
struct ifla_vf_vlan *ivv;
ivv = nla_data(tb[IFLA_VF_VLAN]);
write_lock_bh(&dev_base_lock);
err = -EOPNOTSUPP;
if (ops->ndo_set_vf_vlan)
err = ops->ndo_set_vf_vlan(dev, ivv->vf,
(u16)ivv->vlan,
(u8)ivv->qos);
write_unlock_bh(&dev_base_lock);
ivv->vlan,
ivv->qos);
if (err < 0)
goto errout;
modified = 1;
@ -957,10 +955,9 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm,
if (tb[IFLA_VF_TX_RATE]) {
struct ifla_vf_tx_rate *ivt;
ivt = nla_data(tb[IFLA_VF_TX_RATE]);
write_lock_bh(&dev_base_lock);
err = -EOPNOTSUPP;
if (ops->ndo_set_vf_tx_rate)
err = ops->ndo_set_vf_tx_rate(dev, ivt->vf, ivt->rate);
write_unlock_bh(&dev_base_lock);
if (err < 0)
goto errout;
modified = 1;