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nl80211: Check that netif_runnin is true in cfg80211 code

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We do not want to require all the drivers using cfg80211 to need to do
this or to be prepared to handle these commands when the interface is
down.

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Jouni Malinen
2009-03-20 21:21:18 +02:00
committed by John W. Linville
parent 255e737eab
commit 35a8efe1a6
2 changed files with 40 additions and 25 deletions
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40
net/wireless/nl80211.c
View File

@@ -1556,6 +1556,11 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
goto out;
}
if (!netif_running(dev)) {
err = -ENETDOWN;
goto out;
}
err = drv->ops->add_station(&drv->wiphy, dev, mac_addr, &params);
out:
@@ -1808,6 +1813,11 @@ static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
goto out;
}
if (!netif_running(dev)) {
err = -ENETDOWN;
goto out;
}
err = drv->ops->change_mpath(&drv->wiphy, dev, dst, next_hop);
out:
@@ -1846,6 +1856,11 @@ static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
goto out;
}
if (!netif_running(dev)) {
err = -ENETDOWN;
goto out;
}
err = drv->ops->add_mpath(&drv->wiphy, dev, dst, next_hop);
out:
@@ -2380,6 +2395,11 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
goto out;
}
if (!netif_running(dev)) {
err = -ENETDOWN;
goto out;
}
if (drv->scan_req) {
err = -EBUSY;
goto out;
@@ -2641,6 +2661,11 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
goto out;
}
if (!netif_running(dev)) {
err = -ENETDOWN;
goto out;
}
if (!info->attrs[NL80211_ATTR_MAC]) {
err = -EINVAL;
goto out;
@@ -2709,6 +2734,11 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
goto out;
}
if (!netif_running(dev)) {
err = -ENETDOWN;
goto out;
}
if (!info->attrs[NL80211_ATTR_MAC] ||
!info->attrs[NL80211_ATTR_SSID]) {
err = -EINVAL;
@@ -2767,6 +2797,11 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
goto out;
}
if (!netif_running(dev)) {
err = -ENETDOWN;
goto out;
}
if (!info->attrs[NL80211_ATTR_MAC]) {
err = -EINVAL;
goto out;
@@ -2821,6 +2856,11 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
goto out;
}
if (!netif_running(dev)) {
err = -ENETDOWN;
goto out;
}
if (!info->attrs[NL80211_ATTR_MAC]) {
err = -EINVAL;
goto out;