From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 4DCBFC282C8 for ; Mon, 28 Jan 2019 15:44:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1B98B214DA for ; Mon, 28 Jan 2019 15:44:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548690253; bh=f9W4NLtZ8oCx/93PIxDOl1rgTzFvxC7gzgQKDeoqMBA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Spi5tXlrfxttg431mQ8MywS6R9QlI0L5AWxMlbxS0UYu33idDYqU9njDlJk6SXebG 2E6vJSazpYldETbEn6Pit2eHQWcp+ocytXwz3ycDpOUcoPLsJlENgbTewqvjFKZg/u BiJepQIgA5QJzrOxasKS3qukfoYHNs5H8Lejv8F8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727222AbfA1PoL (ORCPT ); Mon, 28 Jan 2019 10:44:11 -0500 Received: from mail.kernel.org ([198.145.29.99]:57416 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727146AbfA1PoJ (ORCPT ); Mon, 28 Jan 2019 10:44:09 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 99B41214DA; Mon, 28 Jan 2019 15:44:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548690249; bh=f9W4NLtZ8oCx/93PIxDOl1rgTzFvxC7gzgQKDeoqMBA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kMC+ARE1DvN0ry5Yc64RAY9Px/IFrZWs96QiGrGrMRwAqCO66iThoGI/iz9NrZdKi xrq9TRViplmqMoF8b3vHNkLNuzgEBKtlRd+vrB0KTLFBN5SjhqW58sdPMcBsHcAFwY ZSNLxKzZ6RFg+FaI7SbaFTmXb5Cy5n1UTznoSmjQ= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Lior David , Maya Erez , Kalle Valo , Sasha Levin , linux-wireless@vger.kernel.org, wil6210@qti.qualcomm.com, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.20 016/304] wil6210: fix memory leak in wil_find_tx_bcast_2 Date: Mon, 28 Jan 2019 10:38:53 -0500 Message-Id: <20190128154341.47195-16-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190128154341.47195-1-sashal@kernel.org> References: <20190128154341.47195-1-sashal@kernel.org> MIME-Version: 1.0 X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lior David [ Upstream commit 664497400c89a4d40aee51bcf48bbd2e4dc71104 ] 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 Signed-off-by: Kalle Valo Signed-off-by: Sasha Levin --- 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 cc5f263cc965..005c4ba9e823 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -1403,6 +1403,8 @@ found: 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"); } -- 2.19.1