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Mon, 13 May 2019 09:22:58 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserp3020.oracle.com with ESMTP id 2se0tverff-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 13 May 2019 09:22:58 +0000 Received: from abhmp0016.oracle.com (abhmp0016.oracle.com [141.146.116.22]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id x4D9Mr5V008481; Mon, 13 May 2019 09:22:53 GMT Received: from mwanda (/41.57.98.10) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 13 May 2019 09:22:52 +0000 Date: Mon, 13 May 2019 12:22:44 +0300 From: Dan Carpenter To: Zhenyu Wang , Aleksei Gimbitskii Message-ID: <20190513092244.GA12077@mwanda> MIME-Version: 1.0 Content-Disposition: inline X-Mailer: git-send-email haha only kidding User-Agent: Mutt/1.10.1 (2018-07-13) X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9255 signatures=668686 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=8.0.1-1810050000 definitions=main-1905130067 X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9255 signatures=668686 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=8.0.1-1810050000 definitions=main-1905130067 X-Mailman-Original-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-2018-07-02; bh=xfkjogPojG0Pm/y32JShR1cqog8lZbULmD215jD6V3U=; b=UgeVz5jDUzHOOuxdzbFTOs5nEOIT8kpt5vIF5U/s2eDs3ckcufExBUZ9veT4sFG0sa4M eMyM9b+/WFwZi8wDdw2kgzifye6QLtmoNLarIpbHAsb480Y4fg/37tLwTQJElGz49L1R PE45MJaHoo89rnavKmuXkOfx6g11g4RkkluLqAPhxbNabevRHjgjS/uiNyljCf1GeRZl Q3dw0vanSAaDfgyAbnDRBvbYKoupIQDjPrKMRmEmqi2pbkRab/S4yMkEwlFQwdmxHENT hdsVY+SLOeDCajstpAHC5xAg9Qrg1VltTMQItP3gDSQ3VM6f5lt+e4lebNpfID4cPXKA 0Q== Subject: [Intel-gfx] [PATCH] drm/i915/gvt: Fix an error code in ppgtt_populate_spt_by_guest_entry() X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: David Airlie , intel-gfx@lists.freedesktop.org, kernel-janitors@vger.kernel.org, intel-gvt-dev@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP "ret" is uninitialized on this path but it should be -EINVAL. Fixes: 930c8dfea4b8 ("drm/i915/gvt: Check if get_next_pt_type() always returns a valid value") Signed-off-by: Dan Carpenter --- drivers/gpu/drm/i915/gvt/gtt.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c index 08c74e65836b..244ad1729764 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.c +++ b/drivers/gpu/drm/i915/gvt/gtt.c @@ -1076,8 +1076,10 @@ static struct intel_vgpu_ppgtt_spt *ppgtt_populate_spt_by_guest_entry( } else { int type = get_next_pt_type(we->type); - if (!gtt_type_is_pt(type)) + if (!gtt_type_is_pt(type)) { + ret = -EINVAL; goto err; + } spt = ppgtt_alloc_spt_gfn(vgpu, type, ops->get_pfn(we), ips); if (IS_ERR(spt)) {