netdev - [PATCH v2 51/65] staging: wfx: check that no tx is pending before release sta

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Date:   Wed, 15 Jan 2020 13:55:16 +0000
From:   Jérôme Pouiller <Jerome.Pouiller@...abs.com>
To:     "devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
        "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...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 v2 51/65] staging: wfx: check that no tx is pending before
 release sta

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

Just for sanity.

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

diff --git a/drivers/staging/wfx/sta.c b/drivers/staging/wfx/sta.c
index 75c1e2aecc23..33955278d9d3 100644
--- a/drivers/staging/wfx/sta.c
+++ b/drivers/staging/wfx/sta.c
@@ -602,7 +602,10 @@ int wfx_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 {
 	struct wfx_vif *wvif = (struct wfx_vif *) vif->drv_priv;
 	struct wfx_sta_priv *sta_priv = (struct wfx_sta_priv *) &sta->drv_priv;
+	int i;
 
+	for (i = 0; i < WFX_MAX_TID; i++)
+		WARN(sta_priv->buffered[i], "release station while Tx is in progress");
 	// FIXME: see note in wfx_sta_add()
 	if (vif->type == NL80211_IFTYPE_STATION)
 		return 0;
-- 
2.25.0