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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,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 9A3FFC0044C for ; Wed, 31 Oct 2018 08:58:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 56D1B20685 for ; Wed, 31 Oct 2018 08:58:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 56D1B20685 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727597AbeJaRzy (ORCPT ); Wed, 31 Oct 2018 13:55:54 -0400 Received: from alexa-out-ams-01.qualcomm.com ([185.23.61.162]:23736 "EHLO alexa-out-ams-01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727519AbeJaRzy (ORCPT ); Wed, 31 Oct 2018 13:55:54 -0400 X-IronPort-AV: E=Sophos;i="5.54,447,1534802400"; d="scan'208";a="1418126" Received: from ironmsg01-ams.qualcomm.com ([10.251.56.2]) by alexa-out-ams-01.qualcomm.com with ESMTP; 31 Oct 2018 09:52:31 +0100 X-IronPort-AV: E=McAfee;i="5900,7806,9062"; a="6147926" Received: from lx-merez1.mea.qualcomm.com ([10.18.173.103]) by ironmsg01-ams.qualcomm.com with ESMTP; 31 Oct 2018 09:52:30 +0100 From: Maya Erez To: Kalle Valo Cc: Lior David , linux-wireless@vger.kernel.org, wil6210@qti.qualcomm.com, Maya Erez Subject: [PATCH 06/16] wil6210: fix memory leak in wil_find_tx_bcast_2 Date: Wed, 31 Oct 2018 10:52:14 +0200 Message-Id: <1540975944-30576-7-git-send-email-merez@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1540975944-30576-1-git-send-email-merez@codeaurora.org> References: <1540975944-30576-1-git-send-email-merez@codeaurora.org> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Lior David A successful call to wil_tx_ring takes skb reference so it will only be freed in wil_tx_complete. Consume the skb in wil_find_tx_bcast_2 to prevent memory leak. Signed-off-by: Lior David Signed-off-by: Maya Erez --- drivers/net/wireless/ath/wil6210/txrx.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index c592c8e..3e1c831 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -1395,6 +1395,8 @@ static struct wil_ring *wil_find_tx_bcast_2(struct wil6210_priv *wil, wil_dbg_txrx(wil, "BCAST DUP -> ring %d\n", i); wil_set_da_for_vring(wil, skb2, i); wil_tx_ring(wil, vif, v2, skb2); + /* successful call to wil_tx_ring takes skb2 ref */ + dev_kfree_skb_any(skb2); } else { wil_err(wil, "skb_copy failed\n"); } -- 1.9.1