From: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
To: John Crispin <john@phrozen.org>
Cc: Johannes Berg <johannes@sipsolutions.net>,
linux-wireless@vger.kernel.org, ath11k@lists.infradead.org,
Kalle Valo <kvalo@codeaurora.org>
Subject: Re: [PATCH 6/6] ath11k: switch to using ieee80211_tx_status_ext()
Date: Fri, 09 Aug 2019 16:23:16 -0700 [thread overview]
Message-ID: <2dc32161ae3cf25deae0542c72941dc4@codeaurora.org> (raw)
In-Reply-To: <20190714154419.11854-7-john@phrozen.org>
> @@ -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
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WARNING: multiple messages have this Message-ID (diff)
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()
Date: Fri, 09 Aug 2019 16:23:16 -0700 [thread overview]
Message-ID: <2dc32161ae3cf25deae0542c72941dc4@codeaurora.org> (raw)
In-Reply-To: <20190714154419.11854-7-john@phrozen.org>
> @@ -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
next prev parent reply other threads:[~2019-08-09 23:23 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-14 15:44 [PATCH 0/6] mac80211: add HE TX rate reporting to radiotap John Crispin
2019-07-14 15:44 ` John Crispin
2019-07-14 15:44 ` [PATCH 1/6] mac80211: add xmit rate to struct ieee80211_tx_status John Crispin
2019-07-14 15:44 ` John Crispin
2019-07-14 15:44 ` [PATCH 2/6] mac80211: propagate struct ieee80211_tx_status into ieee80211_tx_monitor() John Crispin
2019-07-14 15:44 ` John Crispin
2019-07-14 15:44 ` [PATCH 3/6] mac80211: add struct ieee80211_tx_status support to ieee80211_add_tx_radiotap_header John Crispin
2019-07-14 15:44 ` John Crispin
2019-07-14 15:44 ` [PATCH 4/6] ath11k: drop tx_info from ath11k_sta John Crispin
2019-07-14 15:44 ` John Crispin
2019-07-14 15:44 ` [PATCH 5/6] ath11k: add HE rate accounting to driver John Crispin
2019-07-14 15:44 ` John Crispin
2019-07-14 15:44 ` [PATCH 6/6] ath11k: switch to using ieee80211_tx_status_ext() John Crispin
2019-07-14 15:44 ` John Crispin
2019-08-09 23:23 ` Pradeep Kumar Chitrapu [this message]
2019-08-09 23:23 ` Pradeep Kumar Chitrapu
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