From patchwork Fri Jul 15 13:37:05 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amitkumar Karwar X-Patchwork-Id: 9232093 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id E41BF60865 for ; Fri, 15 Jul 2016 13:37:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D58ED2832B for ; Fri, 15 Jul 2016 13:37:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C97E02832D; Fri, 15 Jul 2016 13:37:46 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6CD582832B for ; Fri, 15 Jul 2016 13:37:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752622AbcGONhp (ORCPT ); Fri, 15 Jul 2016 09:37:45 -0400 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:33834 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751690AbcGONho (ORCPT ); Fri, 15 Jul 2016 09:37:44 -0400 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id u6FDb6mg011238 for ; Fri, 15 Jul 2016 06:37:43 -0700 Received: from sc-exch04.marvell.com ([199.233.58.184]) by mx0b-0016f401.pphosted.com with ESMTP id 246gatm24s-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Fri, 15 Jul 2016 06:37:43 -0700 Received: from SC-EXCH01.marvell.com (10.93.176.81) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server (TLS) id 15.0.1104.5; Fri, 15 Jul 2016 06:37:41 -0700 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH01.marvell.com (10.93.176.81) with Microsoft SMTP Server id 15.0.1104.5 via Frontend Transport; Fri, 15 Jul 2016 06:37:41 -0700 Received: from pe-lt949 (unknown [10.31.130.198]) by maili.marvell.com (Postfix) with ESMTP id 1E34A3F703F; Fri, 15 Jul 2016 06:37:40 -0700 (PDT) Received: from pe-lt949 (piotr-probook.localdomain [127.0.0.1]) by pe-lt949 (8.14.4/8.14.4/Debian-4.1ubuntu1) with ESMTP id u6FDbKsD009224; Fri, 15 Jul 2016 19:07:20 +0530 Received: (from root@localhost) by pe-lt949 (8.14.4/8.14.4/Submit) id u6FDbJS1009223; Fri, 15 Jul 2016 19:07:19 +0530 From: Amitkumar Karwar To: CC: Cathy Luo , Nishant Sarmukadam , Amitkumar Karwar Subject: [PATCH 2/2] mwifiex: update command response skb length correctly Date: Fri, 15 Jul 2016 19:07:05 +0530 Message-ID: <1468589825-9188-2-git-send-email-akarwar@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1468589825-9188-1-git-send-email-akarwar@marvell.com> References: <1468589825-9188-1-git-send-email-akarwar@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-07-15_07:, , signatures=0 X-Proofpoint-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1607150144 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Same skb is being reused for storing command response from firmware in PCIe chipsets. There was a bug while updating the skb length. This patch ensures skb length correctly gets updated based on rx_len. Signed-off-by: Amitkumar Karwar --- drivers/net/wireless/marvell/mwifiex/pcie.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c index 38bd62e..a6af85d 100644 --- a/drivers/net/wireless/marvell/mwifiex/pcie.c +++ b/drivers/net/wireless/marvell/mwifiex/pcie.c @@ -1616,6 +1616,7 @@ static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter) pkt_len = *((__le16 *)skb->data); rx_len = le16_to_cpu(pkt_len); + skb_put(skb, MWIFIEX_UPLD_SIZE - skb->len); skb_trim(skb, rx_len); skb_pull(skb, INTF_HEADER_LEN);