From: Eliad Peller <eliad@xxxxxxxxxx>
When calculating the current max bw required for
a channel context, we didn't consider the virtual
monitor interface, resulting in its channel context
being narrower than configured.
Fixes: 21f659bf1f93 ("mac80211: add min required channel definition field")
Cc: Stable <stable@xxxxxxxxxxxxxxx> [3.12+]
Reported-by: Ido Yariv <idox.yariv@xxxxxxxxx>
Signed-off-by: Eliad Peller <eliadx.peller@xxxxxxxxx>
---
net/mac80211/chan.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index 42c6592..bd1fd8e 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -100,6 +100,12 @@ ieee80211_get_chanctx_max_required_bw(struct ieee80211_local *local,
}
max_bw = max(max_bw, width);
}
+
+ /* use the configured bandwidth in case of monitor interface */
+ sdata = rcu_dereference(local->monitor_sdata);
+ if (sdata && rcu_access_pointer(sdata->vif.chanctx_conf) == conf)
+ max_bw = max(max_bw, conf->def.width);
+
rcu_read_unlock();
return max_bw;
--
1.8.3.2
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