linux-kernel - [PATCH next] wifi: mwifiex: fix double free in mwifiex_send_rgpower

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Message-ID: <aLqZBh5_dSHUb4AE@stanley.mountain>
Date: Fri, 5 Sep 2025 11:02:14 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: Stefan Kerkmann <s.kerkmann@...gutronix.de>
Cc: Brian Norris <briannorris@...omium.org>,
	Francesco Dolcini <francesco@...cini.it>,
	Johannes Berg <johannes.berg@...el.com>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Jeff Chen <jeff.chen_1@....com>, linux-wireless@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [PATCH next] wifi: mwifiex: fix double free in
 mwifiex_send_rgpower_table()

The "hostcmd" is freed using cleanup.h, so calling kfree() will lead to
a double free.  Delete the kfree().

Fixes: 7b6f16a25806 ("wifi: mwifiex: add rgpower table loading support")
Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>
---
 drivers/net/wireless/marvell/mwifiex/sta_cmd.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/wireless/marvell/mwifiex/sta_cmd.c b/drivers/net/wireless/marvell/mwifiex/sta_cmd.c
index 6d9e2af29a69..91d5098081e8 100644
--- a/drivers/net/wireless/marvell/mwifiex/sta_cmd.c
+++ b/drivers/net/wireless/marvell/mwifiex/sta_cmd.c
@@ -1521,10 +1521,8 @@ int mwifiex_send_rgpower_table(struct mwifiex_private *priv, const u8 *data,
 		return -ENOMEM;
 
 	_data = kmemdup(data, size, GFP_KERNEL);
-	if (!_data) {
-		kfree(hostcmd);
+	if (!_data)
 		return -ENOMEM;
-	}
 
 	pos = _data;
 	ptr = hostcmd->cmd;
-- 
2.47.2