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nl80211: Check iftype in cfg80211 code

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We do not want to require all the drivers using cfg80211 to need to do
this. In addition, make the error values consistent by using
EOPNOTSUPP instead of semi-random assortment of errno values.

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 21:21:19 +02:00
committed by John W. Linville
parent 35a8efe1a6
commit eec60b037a
2 changed files with 56 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
net/wireless/nl80211.c
View File

@@ -1049,6 +1049,11 @@ static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
if (err)
goto unlock_rtnl;
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) {
err = -EOPNOTSUPP;
goto out;
}
switch (info->genlhdr->cmd) {
case NL80211_CMD_NEW_BEACON:
/* these are required for NEW_BEACON */
@@ -1136,6 +1141,10 @@ static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info)
goto out;
}
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) {
err = -EOPNOTSUPP;
goto out;
}
err = drv->ops->del_beacon(&drv->wiphy, dev);
out:
@@ -1324,7 +1333,7 @@ static int nl80211_dump_station(struct sk_buff *skb,
}
if (!dev->ops->dump_station) {
err = -ENOSYS;
err = -EOPNOTSUPP;
goto out_err;
}
@@ -1698,10 +1707,15 @@ static int nl80211_dump_mpath(struct sk_buff *skb,
}
if (!dev->ops->dump_mpath) {
err = -ENOSYS;
err = -EOPNOTSUPP;
goto out_err;
}
if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
err = -EOPNOTSUPP;
goto out;
}
while (1) {
err = dev->ops->dump_mpath(&dev->wiphy, netdev, path_idx,
dst, next_hop, &pinfo);
@@ -1759,6 +1773,11 @@ static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
goto out;
}
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
err = -EOPNOTSUPP;
goto out;
}
err = drv->ops->get_mpath(&drv->wiphy, dev, dst, next_hop, &pinfo);
if (err)
goto out;
@@ -1813,6 +1832,11 @@ static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
goto out;
}
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
err = -EOPNOTSUPP;
goto out;
}
if (!netif_running(dev)) {
err = -ENETDOWN;
goto out;
@@ -1856,6 +1880,11 @@ static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
goto out;
}
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
err = -EOPNOTSUPP;
goto out;
}
if (!netif_running(dev)) {
err = -ENETDOWN;
goto out;
@@ -1944,6 +1973,11 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
goto out;
}
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) {
err = -EOPNOTSUPP;
goto out;
}
err = drv->ops->change_bss(&drv->wiphy, dev, &params);
out:
@@ -2661,6 +2695,11 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
goto out;
}
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
err = -EOPNOTSUPP;
goto out;
}
if (!netif_running(dev)) {
err = -ENETDOWN;
goto out;
@@ -2734,6 +2773,11 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
goto out;
}
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
err = -EOPNOTSUPP;
goto out;
}
if (!netif_running(dev)) {
err = -ENETDOWN;
goto out;
@@ -2797,6 +2841,11 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
goto out;
}
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
err = -EOPNOTSUPP;
goto out;
}
if (!netif_running(dev)) {
err = -ENETDOWN;
goto out;
@@ -2856,6 +2905,11 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
goto out;
}
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
err = -EOPNOTSUPP;
goto out;
}
if (!netif_running(dev)) {
err = -ENETDOWN;
goto out;