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Message-Id: <20220829071259.18330-1-liqiong@nfschina.com>
Date:   Mon, 29 Aug 2022 15:12:59 +0800
From:   Li Qiong <liqiong@...china.com>
To:     Varka Bhadram <varkabhadram@...il.com>,
        Alexander Aring <alex.aring@...il.com>,
        Stefan Schmidt <stefan@...enfreihafen.org>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     linux-wpan@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Yu Zhe <yuzhe@...china.com>,
        Li Qiong <liqiong@...china.com>
Subject: [PATCH] ieee802154: cc2520: add rc code in cc2520_tx()

The rc code is 0 at the error path "status & CC2520_STATUS_TX_UNDERFLOW".
Assign rc code with '-EINVAL' at this error path to fix it.

Signed-off-by: Li Qiong <liqiong@...china.com>
---
 drivers/net/ieee802154/cc2520.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ieee802154/cc2520.c b/drivers/net/ieee802154/cc2520.c
index 1e1f40f628a0..c69b87d3837d 100644
--- a/drivers/net/ieee802154/cc2520.c
+++ b/drivers/net/ieee802154/cc2520.c
@@ -504,6 +504,7 @@ cc2520_tx(struct ieee802154_hw *hw, struct sk_buff *skb)
 		goto err_tx;
 
 	if (status & CC2520_STATUS_TX_UNDERFLOW) {
+		rc = -EINVAL;
 		dev_err(&priv->spi->dev, "cc2520 tx underflow exception\n");
 		goto err_tx;
 	}
-- 
2.11.0

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