mac80211: recalc min_def chanctx even when chandef is identical
The min_def chanctx is affected not only by the current chandef, but
sometimes also by other stations on the vif. There's a valid scenario
where a TDLS peer can widen its BW, thereby causing the min_def
to increase.
Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index 2839811..74142d0 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -343,8 +343,10 @@
struct ieee80211_chanctx *ctx,
const struct cfg80211_chan_def *chandef)
{
- if (cfg80211_chandef_identical(&ctx->conf.def, chandef))
+ if (cfg80211_chandef_identical(&ctx->conf.def, chandef)) {
+ ieee80211_recalc_chanctx_min_def(local, ctx);
return;
+ }
WARN_ON(!cfg80211_chandef_compatible(&ctx->conf.def, chandef));