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authorJouni Malinen <jouni.malinen@atheros.com>2009-03-20 21:21:18 +0200
committerJohn W. Linville <linville@tuxdriver.com>2009-03-27 20:13:05 -0400
commit35a8efe1a67ba5d7bb7492f67f52ed2aa4925892 (patch)
tree7783b27bebbc3f113a15ba0b884c24fb627c37a2 /net
parent255e737eab645ec6037baeca04a5e0a7c3b1f459 (diff)
downloadop-kernel-dev-35a8efe1a67ba5d7bb7492f67f52ed2aa4925892.zip
op-kernel-dev-35a8efe1a67ba5d7bb7492f67f52ed2aa4925892.tar.gz
nl80211: Check that netif_runnin is true in cfg80211 code
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>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/cfg.c25
-rw-r--r--net/wireless/nl80211.c40
2 files changed, 40 insertions, 25 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index f5c15c9..b5810b4 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -728,10 +728,6 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
int err;
int layer2_update;
- /* Prevent a race with changing the rate control algorithm */
- if (!netif_running(dev))
- return -ENETDOWN;
-
if (params->vlan) {
sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
@@ -860,9 +856,6 @@ static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
struct sta_info *sta;
int err;
- if (!netif_running(dev))
- return -ENETDOWN;
-
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
@@ -913,9 +906,6 @@ static int ieee80211_change_mpath(struct wiphy *wiphy,
struct mesh_path *mpath;
struct sta_info *sta;
- if (!netif_running(dev))
- return -ENETDOWN;
-
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
@@ -1202,9 +1192,6 @@ static int ieee80211_scan(struct wiphy *wiphy,
{
struct ieee80211_sub_if_data *sdata;
- if (!netif_running(dev))
- return -ENETDOWN;
-
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (sdata->vif.type != NL80211_IFTYPE_STATION &&
@@ -1220,9 +1207,6 @@ static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
{
struct ieee80211_sub_if_data *sdata;
- if (!netif_running(dev))
- return -ENETDOWN;
-
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (sdata->vif.type != NL80211_IFTYPE_STATION)
@@ -1282,9 +1266,6 @@ static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
struct ieee80211_sub_if_data *sdata;
int ret;
- if (!netif_running(dev))
- return -ENETDOWN;
-
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (sdata->vif.type != NL80211_IFTYPE_STATION)
@@ -1323,9 +1304,6 @@ static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
{
struct ieee80211_sub_if_data *sdata;
- if (!netif_running(dev))
- return -ENETDOWN;
-
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (sdata->vif.type != NL80211_IFTYPE_STATION)
return -EOPNOTSUPP;
@@ -1339,9 +1317,6 @@ static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
{
struct ieee80211_sub_if_data *sdata;
- if (!netif_running(dev))
- return -ENETDOWN;
-
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (sdata->vif.type != NL80211_IFTYPE_STATION)
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 6f38ee7..6bb73a3 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -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;
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