From patchwork Tue Sep 1 15:08:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 264773 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 4D456C433E6 for ; Tue, 1 Sep 2020 15:28:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1664D21534 for ; Tue, 1 Sep 2020 15:28:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598974102; bh=ZS5koshl9P5XnEP6E1J+YO76VIZh7Oth6V8mWrNQ9Ps=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=UEABfSSPAFxjf+f6h0rXrr4ohpnq8jt0D1iiz38bK94c1mGBez0NATSGf0A+VxBsw goav4sbPQtwiSbEBi19XxvOciNfDQNO3CcI6/q9HUOMvl5YpHhtohTGj1vFo5q7vBV 6c0TaykPJiELsz1gJdLQu9saAN1bwaMESuP+8jcA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730044AbgIAP2T (ORCPT ); Tue, 1 Sep 2020 11:28:19 -0400 Received: from mail.kernel.org ([198.145.29.99]:56436 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730367AbgIAP2O (ORCPT ); Tue, 1 Sep 2020 11:28:14 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (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 8AA9C20BED; Tue, 1 Sep 2020 15:28:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598974094; bh=ZS5koshl9P5XnEP6E1J+YO76VIZh7Oth6V8mWrNQ9Ps=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=M/5K12ljBw5iUPDm07CNqEF/GeHGqpM0a5chqRzZtCir/DVPbWTQk6nQCT1jLmI6x Rloj8nLMJtFjlKWNNOd1boqe2iHw7b/KHCrk4UdFw6oHbLY0M7Vr3GD9//UFQnvJZO yyQzpl8kTjCRnXZ4lj9RfJA0Go2W+yJgG3jkBgPA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Reto Schneider , Kalle Valo , Sasha Levin Subject: [PATCH 5.4 042/214] rtlwifi: rtl8192cu: Prevent leaking urb Date: Tue, 1 Sep 2020 17:08:42 +0200 Message-Id: <20200901150954.980915852@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200901150952.963606936@linuxfoundation.org> References: <20200901150952.963606936@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: Reto Schneider [ Upstream commit 03128643eb5453a798db5770952c73dc64fcaf00 ] If usb_submit_urb fails the allocated urb should be unanchored and released. Signed-off-by: Reto Schneider Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20200622132113.14508-3-code@reto-schneider.ch Signed-off-by: Sasha Levin --- drivers/net/wireless/realtek/rtlwifi/usb.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtlwifi/usb.c b/drivers/net/wireless/realtek/rtlwifi/usb.c index c66c6dc003783..bad06939a247c 100644 --- a/drivers/net/wireless/realtek/rtlwifi/usb.c +++ b/drivers/net/wireless/realtek/rtlwifi/usb.c @@ -718,8 +718,11 @@ static int _rtl_usb_receive(struct ieee80211_hw *hw) usb_anchor_urb(urb, &rtlusb->rx_submitted); err = usb_submit_urb(urb, GFP_KERNEL); - if (err) + if (err) { + usb_unanchor_urb(urb); + usb_free_urb(urb); goto err_out; + } usb_free_urb(urb); } return 0;