linux-kernel - [PATCH linux-next] ieee802154: cc2520: remove the unneeded result variable

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Date:   Mon, 12 Sep 2022 07:20:42 +0000
From:   cgel.zte@...il.com
To:     varkabhadram@...il.com
Cc:     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, linux-kernel@...r.kernel.org,
        Xu Panda <xu.panda@....com.cn>, Zeal Robot <zealci@....com.cn>
Subject: [PATCH linux-next] ieee802154: cc2520: remove the unneeded result variable

From: Xu Panda <xu.panda@....com.cn>

Return the value cc2520_write_register() directly instead of storing it in
another redundant variable.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Xu Panda <xu.panda@....com.cn>
---
 drivers/net/ieee802154/cc2520.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ieee802154/cc2520.c b/drivers/net/ieee802154/cc2520.c
index c69b87d3837d..abe331c795df 100644
--- a/drivers/net/ieee802154/cc2520.c
+++ b/drivers/net/ieee802154/cc2520.c
@@ -632,7 +632,6 @@ static int
 cc2520_set_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
 {
        struct cc2520_private *priv = hw->priv;
-       int ret;

        dev_dbg(&priv->spi->dev, "trying to set channel\n");

@@ -640,10 +639,8 @@ cc2520_set_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
        WARN_ON(channel < CC2520_MINCHANNEL);
        WARN_ON(channel > CC2520_MAXCHANNEL);

-       ret = cc2520_write_register(priv, CC2520_FREQCTRL,
-                                   11 + 5 * (channel - 11));
-
-       return ret;
+       return cc2520_write_register(priv, CC2520_FREQCTRL,
+                                    11 + 5 * (channel - 11));
 }

 static int
-- 
2.15.2