linux-kernel - [PATCH] wifi: rtl8xxxu: Simplify the error handling code

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Message-Id: <20220818073352.3156288-1-zheyuma97@gmail.com>
Date:   Thu, 18 Aug 2022 15:33:52 +0800
From:   Zheyu Ma <zheyuma97@...il.com>
To:     Jes Sorensen <Jes.Sorensen@...il.com>,
        Kalle Valo <kvalo@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     Zheyu Ma <zheyuma97@...il.com>, kernel test robot <lkp@...el.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] wifi: rtl8xxxu: Simplify the error handling code

Since the logic of the driver's error handling code has changed, the
previous dead store and checks are not needed.

Reported-by: kernel test robot <lkp@...el.com>
Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
Signed-off-by: Zheyu Ma <zheyuma97@...il.com>
---
 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
index c66f0726b253..e97e35b39225 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -6657,7 +6657,6 @@ static int rtl8xxxu_probe(struct usb_interface *interface,
 	hw = ieee80211_alloc_hw(sizeof(struct rtl8xxxu_priv), &rtl8xxxu_ops);
 	if (!hw) {
 		ret = -ENOMEM;
-		priv = NULL;
 		goto err_put_dev;
 	}
 
@@ -6768,11 +6767,9 @@ static int rtl8xxxu_probe(struct usb_interface *interface,
 err_set_intfdata:
 	usb_set_intfdata(interface, NULL);
 
-	if (priv) {
-		kfree(priv->fw_data);
-		mutex_destroy(&priv->usb_buf_mutex);
-		mutex_destroy(&priv->h2c_mutex);
-	}
+	kfree(priv->fw_data);
+	mutex_destroy(&priv->usb_buf_mutex);
+	mutex_destroy(&priv->h2c_mutex);
 
 	ieee80211_free_hw(hw);
 err_put_dev:
-- 
2.25.1