diff options
Diffstat (limited to 'net/wireless/nl80211.c')
| -rw-r--r-- | net/wireless/nl80211.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 43bdb1372cae..f91e5d472c60 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -767,7 +767,7 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *drv; struct vif_params params; - int err, ifindex; + int err; enum nl80211_iftype otype, ntype; struct net_device *dev; u32 _flags, *flags = NULL; @@ -781,9 +781,7 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) if (err) goto unlock_rtnl; - ifindex = dev->ifindex; otype = ntype = dev->ieee80211_ptr->iftype; - dev_put(dev); if (info->attrs[NL80211_ATTR_IFTYPE]) { ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); @@ -826,20 +824,20 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) } if (change) - err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex, + err = drv->ops->change_virtual_intf(&drv->wiphy, dev, ntype, flags, ¶ms); else err = 0; - dev = __dev_get_by_index(&init_net, ifindex); - WARN_ON(!dev || (!err && dev->ieee80211_ptr->iftype != ntype)); + WARN_ON(!err && dev->ieee80211_ptr->iftype != ntype); - if (dev && !err && (ntype != otype)) { + if (!err && (ntype != otype)) { if (otype == NL80211_IFTYPE_ADHOC) cfg80211_clear_ibss(dev, false); } unlock: + dev_put(dev); cfg80211_put_dev(drv); unlock_rtnl: rtnl_unlock(); |