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To: Zong-Zhe Yang <kevin_yang@realtek.com>
Cc: Johannes Berg <johannes.berg@intel.com>, linux-wireless@vger.kernel.org
From: Dmitry Antipov <dmantipov@yandex.ru>
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Subject: On 021d53a3d87e ("wifi: mac80211: fix NULL dereference at band check
in starting tx ba session")
Content-Type: text/plain; charset=UTF-8; format=flowed
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| Series |
On 021d53a3d87e ("wifi: mac80211: fix NULL dereference at band check in starting tx ba session")
|
expand
|
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index 4b4ab1961068..1a89ba2aecaa 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -595,7 +595,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid, return -EINVAL; if (!pubsta->ht_cap.ht_supported && - sta->sdata->vif.bss_conf.chandef.chan->band != NL80211_BAND_6GHZ) + !pubsta->vht_cap.vht_supported && + !pubsta->he_cap.has_he) return -EINVAL; if (WARN_ON_ONCE(!local->ops->ampdu_action))
Looking at 021d53a3d87e ("wifi: mac80211: fix NULL dereference at band check in starting tx ba session"), can the following be useful for older (e.g. 5.10) kernels without any MLO support? Dmitry