netdev - [PATCH net-next] net: ixp4xx_hss: drop kfree for memory allocated with devm

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Message-ID: <20211130104840.1767981-1-weiyongjun1@huawei.com>
Date:   Tue, 30 Nov 2021 10:48:40 +0000
From:   Wei Yongjun <weiyongjun1@...wei.com>
To:     <weiyongjun1@...wei.com>, Linus Walleij <linus.walleij@...aro.org>,
        Krzysztof Halasa <khalasa@...p.pl>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
CC:     <netdev@...r.kernel.org>, <kernel-janitors@...r.kernel.org>,
        Hulk Robot <hulkci@...wei.com>
Subject: [PATCH net-next] net: ixp4xx_hss: drop kfree for memory allocated with devm_kzalloc

It's not necessary to free memory allocated with devm_kzalloc
and using kfree leads to a double free.

Fixes: 35aefaad326b ("net: ixp4xx_hss: Convert to use DT probing")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
 drivers/net/wan/ixp4xx_hss.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c
index d02d8a2eb99d..0b7d9f2f2b8b 100644
--- a/drivers/net/wan/ixp4xx_hss.c
+++ b/drivers/net/wan/ixp4xx_hss.c
@@ -1508,7 +1508,6 @@ static int ixp4xx_hss_remove(struct platform_device *pdev)
 	unregister_hdlc_device(port->netdev);
 	free_netdev(port->netdev);
 	npe_release(port->npe);
-	kfree(port);
 	return 0;
 }