Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Received-SPF: TempError (protection.outlook.com: error in processing during
 lookup of arm.com: DNS Timeout)
From:   Ayan Halder <Ayan.Halder@arm.com>
To:     "james qian wang (Arm Technology China)" <james.qian.wang@arm.com>
CC:     Liviu Dudau <Liviu.Dudau@arm.com>,
        "airlied@linux.ie" <airlied@linux.ie>,
        Brian Starkey <Brian.Starkey@arm.com>,
        "maarten.lankhorst@linux.intel.com" 
        <maarten.lankhorst@linux.intel.com>,
        "sean@poorly.run" <sean@poorly.run>,
        "dan.carpenter@oracle.com" <dan.carpenter@oracle.com>,
        "Jonathan Chai (Arm Technology China)" <Jonathan.Chai@arm.com>,
        "Julien Yin (Arm Technology China)" <Julien.Yin@arm.com>,
        "Thomas Sun (Arm Technology China)" <thomas.Sun@arm.com>,
        "Lowry Li (Arm Technology China)" <Lowry.Li@arm.com>,
        "Tiannan Zhu (Arm Technology China)" <Tiannan.Zhu@arm.com>,
        "Yiqi Kang (Arm Technology China)" <Yiqi.Kang@arm.com>,
        nd <nd@arm.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "dri-devel@lists.freedesktop.org" <dri-devel@lists.freedesktop.org>,
        Ben Davis <Ben.Davis@arm.com>,
        "Oscar Zhang (Arm Technology China)" <Oscar.Zhang@arm.com>,
        "Channing Chen (Arm Technology China)" <Channing.Chen@arm.com>,
        Mihail Atanassov <Mihail.Atanassov@arm.com>
Subject: Re: [PATCH] drm/komeda: Fix error: not allocating enough data 1592 vs
 1584
Thread-Topic: [PATCH] drm/komeda: Fix error: not allocating enough data 1592
 vs 1584
Thread-Index: AQHVVmRfb2zs0H17zEmg1qVsSJCUdqcG/OOA
Date:   Thu, 22 Aug 2019 10:32:03 +0000
Message-ID: <20190822103203.GC29026@arm.com>
References: <20190819080136.10190-1-james.qian.wang@arm.com>
In-Reply-To: <20190819080136.10190-1-james.qian.wang@arm.com>
Accept-Language: en-US
Content-Language: en-US
Authentication-Results-Original: spf=none (sender IP is )
 smtp.mailfrom=Ayan.Halder@arm.com; 
x-ms-exchange-messagesentrepresentingtype: 1
x-originating-ip: [217.140.106.54]
x-ms-publictraffictype: Email
X-MS-Office365-Filtering-Correlation-Id: 98c9d6d4-51e8-460d-dd4a-08d726ec00d2
X-MS-Office365-Filtering-HT: Tenant
X-Microsoft-Antispam-Untrusted: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(5600166)(711020)(4605104)(1401327)(4618075)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(2017052603328)(7193020);SRVR:AM0PR08MB4436;
X-MS-TrafficTypeDiagnostic: AM0PR08MB4436:|DB6PR0801MB1848:
x-ms-exchange-transport-forked: True
X-Microsoft-Antispam-PRVS: <DB6PR0801MB1848A9ECF0B69476FD0C8C4AE4A50@DB6PR0801MB1848.eurprd08.prod.outlook.com>
x-checkrecipientrouted: true
x-ms-oob-tlc-oobclassifiers: OLM:2958;OLM:2958;
x-forefront-prvs: 01371B902F
X-Forefront-Antispam-Report-Untrusted: SFV:NSPM;SFS:(10009020)(4636009)(39860400002)(136003)(346002)(366004)(376002)(396003)(189003)(199004)(186003)(81156014)(486006)(54906003)(4326008)(102836004)(6636002)(316002)(44832011)(66946007)(37006003)(26005)(6506007)(386003)(11346002)(478600001)(2616005)(476003)(52116002)(71200400001)(446003)(66556008)(81166006)(1076003)(2906002)(71190400001)(66476007)(14454004)(64756008)(6862004)(14444005)(3846002)(6436002)(6246003)(76176011)(33656002)(66446008)(8936002)(256004)(6116002)(66066001)(7736002)(86362001)(36756003)(8676002)(25786009)(53936002)(99286004)(6486002)(229853002)(5660300002)(6512007)(305945005);DIR:OUT;SFP:1101;SCL:1;SRVR:AM0PR08MB4436;H:AM0PR08MB5345.eurprd08.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1;
received-spf: None (protection.outlook.com: arm.com does not designate
 permitted sender hosts)
X-MS-Exchange-SenderADCheck: 1
X-Microsoft-Antispam-Message-Info-Original: kzyUgbK0jpufI/OJncVmtO3EJQGcFBeHQR2b8BFUSjs917obV3mTq5vXOTmQPjUhGxQ520Q+75SGPgNCDdTRntNB2avwUJbJIquTreevTMGl+AOqDnAYaVqat4XpGac8igUI8b5X/0gZA4iKAbnOlJxvo4xKSVPfGO0F+8hGTi+up/Hhm7N51zpgLbLhbQ5EdQnI7F4XPsWJZz8b17QgAZE6hbuqXtmGTkVCbd/FCscyy26jcO4bSk8bq5nGxIy3rj6M/ukB7CkG1dnciYSk4UeArX+df8EOTgq9AqlNZjSwv17qrYo2IOzijOJSvehEVr4XpsXJufe4/drEz/60c77OMjR8AJhSjsHOBMPpdixgj4WG87PHaon1bIgGL2+USphWDF1PdV3L06/x0F/jOSEuuYDYb4CXCHkzMrVBJrs=
Content-Type: text/plain; charset="us-ascii"
Content-ID: <A70856D291BC5A4DAD604462BF30ADFC@eurprd08.prod.outlook.com>
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR08MB4436
Original-Authentication-Results: spf=none (sender IP is )
 smtp.mailfrom=Ayan.Halder@arm.com; 
X-EOPAttributedMessage: 0
X-MS-Exchange-Transport-CrossTenantHeadersStripped: DB5EUR03FT031.eop-EUR03.prod.protection.outlook.com
X-Forefront-Antispam-Report: CIP:63.35.35.123;IPV:CAL;SCL:-1;CTRY:IE;EFV:NLI;SFV:NSPM;SFS:(10009020)(4636009)(376002)(396003)(346002)(39860400002)(136003)(2980300002)(199004)(189003)(8746002)(336012)(8936002)(6512007)(23726003)(76176011)(8676002)(33656002)(229853002)(99286004)(186003)(81166006)(6486002)(81156014)(2906002)(47776003)(356004)(46406003)(6116002)(2616005)(63370400001)(126002)(486006)(476003)(63350400001)(3846002)(50466002)(7736002)(305945005)(66066001)(37006003)(316002)(36756003)(6506007)(386003)(26005)(102836004)(76130400001)(54906003)(446003)(70586007)(26826003)(11346002)(5660300002)(14444005)(1076003)(6862004)(25786009)(86362001)(14454004)(97756001)(70206006)(6246003)(6636002)(22756006)(4326008)(478600001);DIR:OUT;SFP:1101;SCL:1;SRVR:DB6PR0801MB1848;H:64aa7808-outbound-1.mta.getcheckrecipient.com;FPR:;SPF:TempError;LANG:en;PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com;A:1;MX:1;
X-MS-Office365-Filtering-Correlation-Id-Prvs: 166d1b36-8340-4ec7-27e1-08d726ebf941
X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(5600166)(710020)(711020)(4605104)(1401327)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(2017052603328)(7193020);SRVR:DB6PR0801MB1848;
NoDisclaimer: True
X-Forefront-PRVS: 01371B902F
X-Microsoft-Antispam-Message-Info: 3okotI/zxEQPeqN1UFSCmmKEdLZCEDnL47eX6ZkayuBgLoKg0XjnEQvDHt9lHUzeUdT0BLT9I0VKN3FYuVAyKs4huwsKY974nMIwxoOTCg7EDAay+XSGTqoU2opPu//FxDwBTEwQ2s6xTi/rh1BbHOLWA88hbWHGZw+lLIXQCHDNRRY7kzSrz76r6q1e7HDGM3+B7tkfrPn2YcxIOklKCyybRvZ1ObVo49HhhHKEi1ldsL9Y1lc8ROQRRTtPp3yBi/MCP1rD+DEPXhoOmfyBNsI0uYrM5SId0pioum/+XiUNQmuvEkEDOD2ZcpuPIzhH/VZDVvvfz4IJav3m8sY4YyF5UYbGYeSbgqb6C59RBv/00DhMsZFPCPvVXxMvEc6NwFm56aiGAy7+LYn0tYc2DgfgbWLzJB30X0wwPLfzPOY=
X-OriginatorOrg: arm.com
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Aug 2019 10:32:16.3610
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: 98c9d6d4-51e8-460d-dd4a-08d726ec00d2
X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com]
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6PR0801MB1848
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Mon, Aug 19, 2019 at 08:01:57AM +0000, james qian wang (Arm Technology C=
hina) wrote:
> The patch 5d51f6c0da1b: "drm/komeda: Add writeback support" from May
> 23, 2019, leads to the following static checker warning:
>=20
>         drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c:151 kome=
da_wb_connector_add()
>         error: not allocating enough data 1592 vs 1584
>=20
> This is a typo which misuse "wb_conn" but which should be "kwb_conn" to
> allocate the memory.
>=20
> Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
> Signed-off-by: james qian wang (Arm Technology China) <james.qian.wang@ar=
m.com>
> ---
>  drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>=20
> diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c b/d=
rivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c
> index 617e1f7b8472..2851cac94d86 100644
> --- a/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c
> +++ b/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c
> @@ -148,7 +148,7 @@ static int komeda_wb_connector_add(struct komeda_kms_=
dev *kms,
>  	if (!kcrtc->master->wb_layer)
>  		return 0;
> =20
> -	kwb_conn =3D kzalloc(sizeof(*wb_conn), GFP_KERNEL);
> +	kwb_conn =3D kzalloc(sizeof(*kwb_conn), GFP_KERNEL);
>  	if (!kwb_conn)
>  		return -ENOMEM;
> =20
> --
Reviewed-by: Ayan Kumar Halder <ayan.halder@arm.com>=20
> 2.20.1