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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 BC732C43603 for ; Tue, 10 Dec 2019 22:33:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 82E8F207FF for ; Tue, 10 Dec 2019 22:33:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576017225; bh=/ionkiJBoIZVekyJOvcY7uYabENd7yYeZVVoTNntnLs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=yCP4fZqA1Wkd04skBewK14CYedn5wjBieX3RwOLF1KNDUHeujLmzKzeYPcD2aCksH h7D2zlGUN7ZpQORbPNvLK/gDBoRzG6PLKoDoR6K7cWTwcEfz/ToemN0azaGYLx2ecj zJrNhW8gNIHuK+fAg7DTgpDV9lh4Zkb1ezEnuwPQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729236AbfLJWdn (ORCPT ); Tue, 10 Dec 2019 17:33:43 -0500 Received: from mail.kernel.org ([198.145.29.99]:54578 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729911AbfLJWdk (ORCPT ); Tue, 10 Dec 2019 17:33:40 -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 954C520828; Tue, 10 Dec 2019 22:33:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576017219; bh=/ionkiJBoIZVekyJOvcY7uYabENd7yYeZVVoTNntnLs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=z+u6qyD3YjwwhTtPJnVVuQlYfpLmAUDLxtiKVdWUQyG9vv6HHxory1KCcFdrfenh1 CeAY7O378YF8uhVF5x0WHFwLKgfVO1norvvtg8caT/1dDHZfh7JsS2BEx1UpAtmA/V 0WZXKWVNjuCMu2H17+kekA8HD3FaMbYdhoMcSppo= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Navid Emamdoost , Ganapathi Bhat , Kalle Valo , Sasha Levin , linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.4 19/71] mwifiex: pcie: Fix memory leak in mwifiex_pcie_init_evt_ring Date: Tue, 10 Dec 2019 17:32:24 -0500 Message-Id: <20191210223316.14988-19-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191210223316.14988-1-sashal@kernel.org> References: <20191210223316.14988-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review 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: Navid Emamdoost [ Upstream commit d10dcb615c8e29d403a24d35f8310a7a53e3050c ] In mwifiex_pcie_init_evt_ring, a new skb is allocated which should be released if mwifiex_map_pci_memory() fails. The release for skb and card->evtbd_ring_vbase is added. Fixes: 0732484b47b5 ("mwifiex: separate ring initialization and ring creation routines") Signed-off-by: Navid Emamdoost Acked-by: Ganapathi Bhat Signed-off-by: Kalle Valo Signed-off-by: Sasha Levin --- drivers/net/wireless/mwifiex/pcie.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index 268e50ba88a51..4c0a656928996 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -577,8 +577,11 @@ static int mwifiex_pcie_init_evt_ring(struct mwifiex_adapter *adapter) skb_put(skb, MAX_EVENT_SIZE); if (mwifiex_map_pci_memory(adapter, skb, MAX_EVENT_SIZE, - PCI_DMA_FROMDEVICE)) + PCI_DMA_FROMDEVICE)) { + kfree_skb(skb); + kfree(card->evtbd_ring_vbase); return -1; + } buf_pa = MWIFIEX_SKB_DMA_ADDR(skb); -- 2.20.1