From: Arik Nemtsov <[email protected]>

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 <[email protected]>
Signed-off-by: Emmanuel Grumbach <[email protected]>
---
 net/mac80211/chan.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

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 @@ static void ieee80211_change_chanctx(struct 
ieee80211_local *local,
                                     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));
 
-- 
2.5.0

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