From 4edb246626be6e031950205c885bdf29fb2ff1eb Mon Sep 17 00:00:00 2001
From: "Williams, Mitch A" <mitch.a.williams@intel.com>
Date: Wed, 24 Feb 2010 21:59:56 +0000
Subject: [PATCH] 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>
---
net/core/rtnetlink.c | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 42da96a4eeeea..4dd4c3cdc4427 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -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;
--
2.30.2