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Petersen" , Sasha Levin Subject: [PATCH AUTOSEL for 4.9 204/219] scsi: core: scsi_get_device_flags_keyed(): Always return device flags Thread-Topic: [PATCH AUTOSEL for 4.9 204/219] scsi: core: scsi_get_device_flags_keyed(): Always return device flags Thread-Index: AQHTsz8nvFEeqYPsU024Z2fqc8Mrxg== Date: Sat, 3 Mar 2018 22:29:55 +0000 Message-ID: <20180303222716.26640-204-alexander.levin@microsoft.com> References: <20180303222716.26640-1-alexander.levin@microsoft.com> In-Reply-To: <20180303222716.26640-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;MW2PR2101MB0969;7:K70893LONwWFKAjEVVpm/9/gJGssUCdB2EaNub+Cu+fkBEQbJ0MRDWRdNxorXJM9/Y+/I7TKa90Piwut8NGQn6eRqAD0mcOzQUdCqreuHZhRRR2AQkUs7ZzLQR5S7Hu2XQR3FNC4tK7eMk1Z7J42gvUczDf4QiMBuBwHFl9oLXhzYj+zjLD6Tgr0AFrECHp6oYz74WY06IrAnsuTkNOFS0wDFFEbMRG012V4ADsmTwod7KM0gLochZH7TQS5nthK x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 68fc52f7-cdd3-420d-1713-08d58157444f x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(5600026)(4604075)(3008032)(4534165)(4627221)(201703031133081)(201702281549075)(2017052603307)(7193020);SRVR:MW2PR2101MB0969; x-ms-traffictypediagnostic: MW2PR2101MB0969: x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(28532068793085)(89211679590171)(146099531331640); x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(61425038)(6040501)(2401047)(8121501046)(5005006)(93006095)(93001095)(10201501046)(3231220)(944501244)(52105095)(3002001)(6055026)(61426038)(61427038)(6041288)(20161123562045)(20161123558120)(20161123564045)(20161123560045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(6072148)(201708071742011);SRVR:MW2PR2101MB0969;BCL:0;PCL:0;RULEID:;SRVR:MW2PR2101MB0969; x-forefront-prvs: 0600F93FE1 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(346002)(376002)(39380400002)(366004)(396003)(39860400002)(189003)(199004)(105586002)(5250100002)(53936002)(107886003)(36756003)(6436002)(4326008)(2501003)(6486002)(1076002)(2906002)(6512007)(2900100001)(54906003)(110136005)(305945005)(106356001)(7736002)(316002)(3280700002)(478600001)(14454004)(10290500003)(68736007)(2950100002)(72206003)(3660700001)(66066001)(3846002)(6116002)(102836004)(6506007)(5660300001)(10090500001)(25786009)(186003)(26005)(99286004)(22452003)(81166006)(76176011)(575784001)(86362001)(81156014)(97736004)(86612001)(8676002)(8936002)(22906009)(217873001);DIR:OUT;SFP:1102;SCL:1;SRVR:MW2PR2101MB0969;H:MW2PR2101MB1034.namprd21.prod.outlook.com;FPR:;SPF:None;PTR:InfoNoRecords;MX:1;A:1;LANG:en; x-microsoft-antispam-message-info: sJxcE+i+Ni52kcoBo4rKBGSVSNwhgZ+H0AtT/F2VvptnkzkLmbcKy3GuSxL7CLttwg0cSicneGWdKCAIxfUaiJuqsVVWY4MP9nKs0tXHmb5PjVmlGtpCABL4KK2GixGbT9+ewVWI/zzBWnHbfpUrA0ivjXPtwaMtmHYYsWNATqI= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 68fc52f7-cdd3-420d-1713-08d58157444f X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Mar 2018 22:29:55.1508 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2PR2101MB0969 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Bart Van Assche [ Upstream commit a44c9d36509c83cf64f33b93f6ab2e63822c01eb ] Since scsi_get_device_flags_keyed() callers do not check whether or not the returned value is an error code, change that function such that it returns a flags value even if the 'key' argument is invalid. Note: since commit 28a0bc4120d3 ("scsi: sd: Implement blacklist option for WRITE SAME w/ UNMAP") bit 31 is a valid device information flag so checking whether bit 31 is set in the return value is not sufficient to tell the difference between an error code and a flags value. Signed-off-by: Bart Van Assche Cc: Christoph Hellwig Cc: Hannes Reinecke Cc: Johannes Thumshirn Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/scsi_devinfo.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c index 26e6b05d05fc..9545c40daa5e 100644 --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -596,17 +596,12 @@ int scsi_get_device_flags_keyed(struct scsi_device *s= dev, int key) { struct scsi_dev_info_list *devinfo; - int err; =20 devinfo =3D scsi_dev_info_list_find(vendor, model, key); if (!IS_ERR(devinfo)) return devinfo->flags; =20 - err =3D PTR_ERR(devinfo); - if (err !=3D -ENOENT) - return err; - - /* nothing found, return nothing */ + /* key or device not found: return nothing */ if (key !=3D SCSI_DEVINFO_GLOBAL) return 0; =20 --=20 2.14.1