From: Johannes Berg <johannes.berg@xxxxxxxxx>
Using hw.conf.channel is wrong as it could be the
temporary channel if any function like the beacon
get function is called while scanning or during
other temporary out-of-channel activities.
Use oper_channel instead.
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
---
net/mac80211/mesh.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 764593d..e6d1788 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -349,17 +349,18 @@ int mesh_add_ds_params_ie(struct sk_buff *skb,
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
+ struct ieee80211_channel *chan = local->oper_channel;
u8 *pos;
if (skb_tailroom(skb) < 3)
return -ENOMEM;
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+ sband = local->hw.wiphy->bands[chan->band];
if (sband->band == IEEE80211_BAND_2GHZ) {
pos = skb_put(skb, 2 + 1);
*pos++ = WLAN_EID_DS_PARAMS;
*pos++ = 1;
- *pos++ = ieee80211_frequency_to_channel(local->hw.conf.channel->center_freq);
+ *pos++ = ieee80211_frequency_to_channel(chan->center_freq);
}
return 0;
@@ -603,7 +604,7 @@ void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
sdata->vif.bss_conf.beacon_int = MESH_DEFAULT_BEACON_INTERVAL;
sdata->vif.bss_conf.basic_rates =
ieee80211_mandatory_rates(sdata->local,
- sdata->local->hw.conf.channel->band);
+ sdata->local->oper_channel->band);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON |
BSS_CHANGED_BEACON_ENABLED |
BSS_CHANGED_HT |
--
1.7.10.4
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