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ath11k: fix rcu lock protect in peer assoc confirmation

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ath11k_mac_get_ar_by_vdev_id() get protected under rcu lock
and unlock. peer association confirmation event get used this API
without rcu protection, so corrected it.

Signed-off-by: Karthikeyan Periyasamy <periyasa@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Karthikeyan Periyasamy
2020-02-05 06:52:28 +05:30
committed by Kalle Valo
parent 6a0c370259
commit db0889aba2
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wireless/ath/ath11k/wmi.c
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@@ -5345,15 +5345,18 @@ static void ath11k_peer_assoc_conf_event(struct ath11k_base *ab, struct sk_buff
"peer assoc conf ev vdev id %d macaddr %pM\n",
peer_assoc_conf.vdev_id, peer_assoc_conf.macaddr);
rcu_read_lock();
ar = ath11k_mac_get_ar_by_vdev_id(ab, peer_assoc_conf.vdev_id);
if (!ar) {
ath11k_warn(ab, "invalid vdev id in peer assoc conf ev %d",
peer_assoc_conf.vdev_id);
rcu_read_unlock();
return;
}
complete(&ar->peer_assoc_done);
rcu_read_unlock();
}
static void ath11k_update_stats_event(struct ath11k_base *ab, struct sk_buff *skb)