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authorAbhijeet Kolekar <abhijeet.kolekar@intel.com>2008-11-20 10:20:31 -0800
committerJohn W. Linville <linville@tuxdriver.com>2008-11-25 16:13:08 -0500
commit3dd3b79aeadc6f6abc5cc78724d7df3dfcc1bd0b (patch)
tree831eabe86c67c079f1cae81338530e43429009e5 /net
parente91af0af8677198346d5d29f09ab39bb3b0e3faf (diff)
downloadlinux-3dd3b79aeadc6f6abc5cc78724d7df3dfcc1bd0b.tar.bz2
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>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/wext.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index 742f811ca416..ab4ddba874be 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -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: