From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9CB3D848D for ; Fri, 10 Mar 2023 14:28:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1C373C433EF; Fri, 10 Mar 2023 14:28:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678458489; bh=fm77gIIHmj3eqTwS+dL6Szx4Kfp2bsvPLn/zkJFEPX8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lw9KW6gakn+csWz8zQp3B6FzwLs77o5BnHtb8oPNGua9wazFexxiZzXcx7zxS4sVT y+/1zx1Si+HAD9ZXx59qfE7I/7+Gtzd8MDh8uyruY9KbVr+U2uYdUHq5B42JDwFF39 SfRe5expFA3453dXulcNCYXoLAE/c5/ghQEGf0Ik= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Zhang Changzhong , Kalle Valo , Sasha Levin Subject: [PATCH 5.4 043/357] wifi: wilc1000: fix potential memory leak in wilc_mac_xmit() Date: Fri, 10 Mar 2023 14:35:32 +0100 Message-Id: <20230310133735.890963667@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230310133733.973883071@linuxfoundation.org> References: <20230310133733.973883071@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Zhang Changzhong [ Upstream commit deb962ec9e1c9a81babd3d37542ad4bd6ac3396e ] The wilc_mac_xmit() returns NETDEV_TX_OK without freeing skb, add dev_kfree_skb() to fix it. Compile tested only. Fixes: c5c77ba18ea6 ("staging: wilc1000: Add SDIO/SPI 802.11 driver") Signed-off-by: Zhang Changzhong Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/1668684964-48622-1-git-send-email-zhangchangzhong@huawei.com Signed-off-by: Sasha Levin --- drivers/staging/wilc1000/wilc_netdev.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/wilc1000/wilc_netdev.c b/drivers/staging/wilc1000/wilc_netdev.c index c8cf88258d06d..f34b1f0d3a803 100644 --- a/drivers/staging/wilc1000/wilc_netdev.c +++ b/drivers/staging/wilc1000/wilc_netdev.c @@ -717,6 +717,7 @@ netdev_tx_t wilc_mac_xmit(struct sk_buff *skb, struct net_device *ndev) if (skb->dev != ndev) { netdev_err(ndev, "Packet not destined to this device\n"); + dev_kfree_skb(skb); return NETDEV_TX_OK; } -- 2.39.2