From patchwork Wed Jan 8 05:46:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Carpenter X-Patchwork-Id: 11322911 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 378006C1 for ; Wed, 8 Jan 2020 05:46:17 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1542F206DA for ; Wed, 8 Jan 2020 05:46:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="E1QP2w1R" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1542F206DA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A56546E174; Wed, 8 Jan 2020 05:46:15 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from aserp2120.oracle.com (aserp2120.oracle.com [141.146.126.78]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2AD646E174 for ; Wed, 8 Jan 2020 05:46:14 +0000 (UTC) Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id 0085fWK6080687; Wed, 8 Jan 2020 05:46:11 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : cc : subject : message-id : mime-version : content-type; s=corp-2019-08-05; bh=aQRbVUyJHocBW8KCphKH2dI17mFUo+d0ok0/MvtJ5kk=; b=E1QP2w1RGWo95dP7F3a6XHbil/PCaQO8nFFUOReHYUEnEl6bmVyMeG+ri+a4yY6yUbkm 12ov18ogZDbiFHT5eCQ02yYtc26UaOMRe4HUX9XYXqioRpS8cCxrodJG9mLvOZoGWUFE tUBCDGILHD6nD/RQjEyvTqw/tv2Mwz53hwNfKT/9Qt4opcQiEYrA/pUsMz9Brj46hJ4i xoauRWu1qFsui0AwRQ9Uh8OB47rWb5m5ImA/JSMP5RPI6ouilEmQ2WHR0CmCIoulVGaq mD4sfeqDOO1sUF2FeVtpCqAWG+EgkxvTSVlb1yUfr49wfNzDVD0r5SIYWMfFkHIoO9s7 Og== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by aserp2120.oracle.com with ESMTP id 2xajnq1ntw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 08 Jan 2020 05:46:11 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id 0085flkm028345; Wed, 8 Jan 2020 05:46:10 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userp3020.oracle.com with ESMTP id 2xcpcrw745-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 08 Jan 2020 05:46:10 +0000 Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 0085k8cf020709; Wed, 8 Jan 2020 05:46:08 GMT Received: from kili.mountain (/129.205.23.165) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 07 Jan 2020 21:46:08 -0800 Date: Wed, 8 Jan 2020 08:46:01 +0300 From: Dan Carpenter To: Ben Skeggs Subject: [PATCH] nouveau/secboot/gm20b: initialize pointer in gm20b_secboot_new() Message-ID: <20200108054601.mdwwtcqqpge2iwca@kili.mountain> MIME-Version: 1.0 Content-Disposition: inline X-Mailer: git-send-email haha only kidding User-Agent: NeoMutt/20170113 (1.7.2) X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9493 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1911140001 definitions=main-2001080049 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9493 signatures=668685 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=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1911140001 definitions=main-2001080049 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: David Airlie , nouveau@lists.freedesktop.org, kernel-janitors@vger.kernel.org, dri-devel@lists.freedesktop.org, Alexandre Courbot Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" We accidentally set "psb" which is a no-op instead of "*psb" so it generates a static checker warning. We should probably set it before the first error return so that it's always initialized. Fixes: 923f1bd27bf1 ("drm/nouveau/secboot/gm20b: add secure boot support") Signed-off-by: Dan Carpenter --- Static analysis. I'm not sure how this is called. drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c index df8b919dcf09..ace6fefba428 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c @@ -108,6 +108,7 @@ gm20b_secboot_new(struct nvkm_device *device, int index, struct gm200_secboot *gsb; struct nvkm_acr *acr; + *psb = NULL; acr = acr_r352_new(BIT(NVKM_SECBOOT_FALCON_FECS) | BIT(NVKM_SECBOOT_FALCON_PMU)); if (IS_ERR(acr)) @@ -116,10 +117,8 @@ gm20b_secboot_new(struct nvkm_device *device, int index, acr->optional_falcons = BIT(NVKM_SECBOOT_FALCON_PMU); gsb = kzalloc(sizeof(*gsb), GFP_KERNEL); - if (!gsb) { - psb = NULL; + if (!gsb) return -ENOMEM; - } *psb = &gsb->base; ret = nvkm_secboot_ctor(&gm20b_secboot, acr, device, index, &gsb->base);