From patchwork Mon Aug 3 12:18:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 266915 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BECABC433DF for ; Mon, 3 Aug 2020 12:25:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8F383204EC for ; Mon, 3 Aug 2020 12:25:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596457510; bh=rZcy60kFi4xUciZ3M6ajETGC0IBrF7cILGnScHXKouI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=s0WYMOUwrjD4Q6GfAK5yMBdMvDgJWd7Q24u+vCuxjLcHb88xHFFRRII3ZjoL2g3E5 SVkPl6yRrVylo6mHM+lwG5s7BiPApxG0ZddO26K7nOtYGG9viJEp+IYo9YHRzJvghe vozTckhcT6eCEAb6GymXuAGhf5x4eWJMcF5q13G8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728118AbgHCMZK (ORCPT ); Mon, 3 Aug 2020 08:25:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:49758 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727021AbgHCMZI (ORCPT ); Mon, 3 Aug 2020 08:25:08 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4DEB3204EC; Mon, 3 Aug 2020 12:25:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596457507; bh=rZcy60kFi4xUciZ3M6ajETGC0IBrF7cILGnScHXKouI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MTeifUL65PIoIjF0iBm84C95pypZ7WWaKtbewr1t/pqc/otUkjd2Iqwq+vowcVnSe hCj4s80WTPF64ptyJ/WJOPogopyXjm6Z3NfFV17NyQJ0XnLqrqE0lsRQQeL8rnovhn fJcTtqS4hRsDs9TLcwdr8iaseVcVeqGfEJr43ymU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, "Woojung.Huh@microchip.com" , Johan Hovold , "David S. Miller" , Sasha Levin Subject: [PATCH 5.7 063/120] net: lan78xx: fix transfer-buffer memory leak Date: Mon, 3 Aug 2020 14:18:41 +0200 Message-Id: <20200803121905.872450320@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200803121902.860751811@linuxfoundation.org> References: <20200803121902.860751811@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Johan Hovold [ Upstream commit 63634aa679ba8b5e306ad0727120309ae6ba8a8e ] The interrupt URB transfer-buffer was never freed on disconnect or after probe errors. Fixes: 55d7de9de6c3 ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver") Cc: Woojung.Huh@microchip.com Signed-off-by: Johan Hovold Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/usb/lan78xx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index d7162690e3f3d..ee062b27cfa7b 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -3788,6 +3788,7 @@ static int lan78xx_probe(struct usb_interface *intf, usb_fill_int_urb(dev->urb_intr, dev->udev, dev->pipe_intr, buf, maxp, intr_complete, dev, period); + dev->urb_intr->transfer_flags |= URB_FREE_BUFFER; } }