linux-kernel - [PATCH v2 13/55] staging: wfx: avoid double warning when no more tx policy are available

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Date:   Tue, 17 Dec 2019 16:14:44 +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 13/55] staging: wfx: avoid double warning when no more tx
 policy are available

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

Currently, number of available tx retry policies is checked two times.
Only one is sufficient.

Signed-off-by: Jérôme Pouiller <jerome.pouiller@...abs.com>
---
 drivers/staging/wfx/data_tx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/wfx/data_tx.c b/drivers/staging/wfx/data_tx.c
index 32e269becd75..c9dea627661f 100644
--- a/drivers/staging/wfx/data_tx.c
+++ b/drivers/staging/wfx/data_tx.c
@@ -169,7 +169,8 @@ static int wfx_tx_policy_get(struct wfx_vif *wvif,
 	wfx_tx_policy_build(wvif, &wanted, rates);
 
 	spin_lock_bh(&cache->lock);
-	if (WARN_ON(list_empty(&cache->free))) {
+	if (list_empty(&cache->free)) {
+		WARN(1, "unable to get a valid Tx policy");
 		spin_unlock_bh(&cache->lock);
 		return WFX_INVALID_RATE_ID;
 	}
-- 
2.24.0