linux-kernel - [PATCH] ieee802154: cc2520: Fix error return code in cc2520_hw

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Message-ID: <20221120075046.2213633-1-william.xuanziyang@huawei.com>
Date:   Sun, 20 Nov 2022 15:50:46 +0800
From:   Ziyang Xuan <william.xuanziyang@...wei.com>
To:     <varkabhadram@...il.com>, <alex.aring@...il.com>,
        <stefan@...enfreihafen.org>, <davem@...emloft.net>,
        <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
        <linux-wpan@...r.kernel.org>, <netdev@...r.kernel.org>
CC:     <linux-kernel@...r.kernel.org>
Subject: [PATCH] ieee802154: cc2520: Fix error return code in cc2520_hw_init()

In cc2520_hw_init(), if oscillator start failed, the error code
should be returned.

Fixes: 0da6bc8cc341 ("ieee802154: cc2520: adds driver for TI CC2520 radio")
Signed-off-by: Ziyang Xuan <william.xuanziyang@...wei.com>
---
 drivers/net/ieee802154/cc2520.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ieee802154/cc2520.c b/drivers/net/ieee802154/cc2520.c
index c69b87d3837d..edc769daad07 100644
--- a/drivers/net/ieee802154/cc2520.c
+++ b/drivers/net/ieee802154/cc2520.c
@@ -970,7 +970,7 @@ static int cc2520_hw_init(struct cc2520_private *priv)
 
 		if (timeout-- <= 0) {
 			dev_err(&priv->spi->dev, "oscillator start failed!\n");
-			return ret;
+			return -ETIMEDOUT;
 		}
 		udelay(1);
 	} while (!(status & CC2520_STATUS_XOSC32M_STABLE));
-- 
2.25.1