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Date:   Fri, 09 Aug 2019 16:23:16 -0700
From:   Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
To:     John Crispin <john@phrozen.org>
Cc:     Johannes Berg <johannes@sipsolutions.net>,
        Kalle Valo <kvalo@codeaurora.org>,
        linux-wireless@vger.kernel.org, ath11k@lists.infradead.org
Subject: Re: [PATCH 6/6] ath11k: switch to using ieee80211_tx_status_ext()
In-Reply-To: <20190714154419.11854-7-john@phrozen.org>
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 <20190714154419.11854-7-john@phrozen.org>
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> @@ -431,12 +434,18 @@ static void ath11k_dp_tx_complete_msdu(struct 
> ath11k *ar,
> -	ieee80211_tx_status(ar->hw, msdu);
> +	spin_lock_bh(&ab->data_lock);
> +	peer = ath11k_peer_find_by_id(ab, ts->peer_id);
> +	arsta = (struct ath11k_sta *)peer->sta->drv_priv;
Hi John,

Accesing sta when peer is deleted is causing null pointer dereference 
issue.

Thanks
Pradeep