From 4edb246626be6e031950205c885bdf29fb2ff1eb Mon Sep 17 00:00:00 2001 From: "Williams, Mitch A" 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 Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- 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 42da96a4eeee..4dd4c3cdc442 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; -- 2.20.1