From patchwork Wed Jan 30 14:37:00 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liam Merwick X-Patchwork-Id: 10788711 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 17BB11390 for ; Wed, 30 Jan 2019 14:40:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 06BEA2EDD1 for ; Wed, 30 Jan 2019 14:40:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EF4E42EDD2; Wed, 30 Jan 2019 14:40:05 +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=-2.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id A97B92EDCB for ; Wed, 30 Jan 2019 14:40:05 +0000 (UTC) Received: from localhost ([127.0.0.1]:39205 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gor25-0007ok-1Z for patchwork-qemu-devel@patchwork.kernel.org; Wed, 30 Jan 2019 09:40:05 -0500 Received: from eggs.gnu.org ([209.51.188.92]:57985) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gor0w-0006s6-DP for qemu-devel@nongnu.org; Wed, 30 Jan 2019 09:38:55 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gor0v-0001JP-Pj for qemu-devel@nongnu.org; Wed, 30 Jan 2019 09:38:54 -0500 Received: from userp2120.oracle.com ([156.151.31.85]:49798) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gor0v-0001I8-Fy for qemu-devel@nongnu.org; Wed, 30 Jan 2019 09:38:53 -0500 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.22/8.16.0.22) with SMTP id x0UETogn052194; Wed, 30 Jan 2019 14:38:49 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id; s=corp-2018-07-02; bh=FeqpNATzz6htNQdwRZ7hKU73FEM2KFN6/NdvKIxIQ/o=; b=plQcpBXCCprGMOsXCirghZJPgl5/g/SyR4k3Onqj7anZXdpD9SqfEZp7m0P7eir2Cq56 TmF9KL/sO1jCL/ZT6Qp/8byDBy//AEn3ZXNj7eN437/n2vujhB6k6rXi5hLUGidzH5us AgHalmkfFBxBiroTkvO3V9unLNhl8tBRd2QzmkyLeHkI6mw1UEEtxjnU24Vd5/HwXCtD YJxPKT4yw1TVLOgvpWzE//Wjbg2xtaZ2fxRPrH4HtgBNzVQMciWuHtxp5p+31hk23TuP XwRgy4poDN4zIouub5v+gUD/e+wSB18fBTxuqZ3D2E0u8N9oBH8Tl+VdSf5rsBUrBhn/ Yg== Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp2120.oracle.com with ESMTP id 2q8g6rathg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 30 Jan 2019 14:38:49 +0000 Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.14.4) with ESMTP id x0UEcnkM025174 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 30 Jan 2019 14:38:49 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id x0UEcmAm020204; Wed, 30 Jan 2019 14:38:49 GMT Received: from ol7.nl.oracle.com (/10.175.63.178) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 30 Jan 2019 06:38:48 -0800 From: Liam Merwick To: kraxel@redhat.com, qemu-devel@nongnu.org Date: Wed, 30 Jan 2019 14:37:00 +0000 Message-Id: <1548859022-3969-1-git-send-email-liam.merwick@oracle.com> X-Mailer: git-send-email 1.8.3.1 X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9151 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=560 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1901300115 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 156.151.31.85 Subject: [Qemu-devel] [PATCH 0/2] USB static analysis patches X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ameya.more@oracle.com, Darren.Kenny@oracle.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP These two patches are a result of running the Parfait static analysis tool on QEMU. The first patch is an optimisation to move an assignment after a test and the second patch handles a number of potential NULL pointer dereferences if usb_ep_get() returns NULL. Liam Merwick (2): usb: rearrange usb_ep_get() usb: deal with potential Null pointer returned by usb_ep_get() hw/usb/core.c | 29 ++++++++++++++++++++++++----- 1 file changed, 24 insertions(+), 5 deletions(-)