mac80211 : Fix setting ad-hoc mode and non-ibss channel

Patch fixes the kernel trace when user tries to set
ad-hoc mode on non IBSS channel.
e.g iwconfig wlan0 chan 36 mode ad-hoc

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Abhijeet Kolekar 2008-11-20 10:20:31 -08:00 committed by John W. Linville
parent e91af0af86
commit 3dd3b79aea

View File

@ -271,6 +271,7 @@ static int ieee80211_ioctl_siwmode(struct net_device *dev,
__u32 *mode, char *extra)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
int type;
if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
@ -281,6 +282,13 @@ static int ieee80211_ioctl_siwmode(struct net_device *dev,
type = NL80211_IFTYPE_STATION;
break;
case IW_MODE_ADHOC:
/* Setting ad-hoc mode on non ibss channel is not
* supported.
*/
if (local->oper_channel &&
(local->oper_channel->flags & IEEE80211_CHAN_NO_IBSS))
return -EOPNOTSUPP;
type = NL80211_IFTYPE_ADHOC;
break;
case IW_MODE_REPEAT: