linux-kernel - [PATCH 18/19] staging: wfx: trace acknowledges not linked to any stations

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Date:   Fri, 15 May 2020 10:33:24 +0200
From:   Jerome Pouiller <Jerome.Pouiller@...abs.com>
To:     devel@...verdev.osuosl.org, linux-wireless@...r.kernel.org
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kalle Valo <kvalo@...eaurora.org>,
        "David S . Miller" <davem@...emloft.net>,
        Jérôme Pouiller 
        <jerome.pouiller@...abs.com>
Subject: [PATCH 18/19] staging: wfx: trace acknowledges not linked to any stations

From: Jérôme Pouiller <jerome.pouiller@...abs.com>

Some resources are associated to the outgoing of the stations. To avoid
any resource leaks. It is important to understand why an acknowledge is
not associated to any station.

Add a trace for that purpose.

Signed-off-by: Jérôme Pouiller <jerome.pouiller@...abs.com>
---
 drivers/staging/wfx/data_tx.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/staging/wfx/data_tx.c b/drivers/staging/wfx/data_tx.c
index d01e679b0880..a82f00f8f17b 100644
--- a/drivers/staging/wfx/data_tx.c
+++ b/drivers/staging/wfx/data_tx.c
@@ -481,6 +481,9 @@ static void wfx_tx_update_sta(struct wfx_vif *wvif, struct ieee80211_hdr *hdr)
 		if (!sta_priv->buffered[tid])
 			ieee80211_sta_set_buffered(sta, tid, false);
 		spin_unlock_bh(&sta_priv->lock);
+	} else {
+		dev_dbg(wvif->wdev->dev, "%s: sta does not exist anymore\n",
+			__func__);
 	}
 	rcu_read_unlock();
 }
-- 
2.26.2