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Thu, 8 Mar 2018 00:48:40 -0500 Received: from mail-by2nam03on0127.outbound.protection.outlook.com ([104.47.42.127]:45712 "EHLO NAM03-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S935572AbeCHFFC (ORCPT ); Thu, 8 Mar 2018 00:05:02 -0500 From: Sasha Levin To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" CC: Anton Vasilyev , Jason Gunthorpe , Sasha Levin Subject: [PATCH AUTOSEL for 4.9 184/190] RDMA/ocrdma: Fix permissions for OCRDMA_RESET_STATS Thread-Topic: [PATCH AUTOSEL for 4.9 184/190] RDMA/ocrdma: Fix permissions for OCRDMA_RESET_STATS Thread-Index: AQHTtppXoC68Q5QJUkWHe0aYz7j25g== Date: Thu, 8 Mar 2018 05:00:13 +0000 Message-ID: <20180308045810.8041-184-alexander.levin@microsoft.com> References: <20180308045810.8041-1-alexander.levin@microsoft.com> In-Reply-To: <20180308045810.8041-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;DM5PR2101MB0981;20:S5WTLJAYEDWLFGwUHkoADZNz9c8tt7uOg2Y2ORgOV2+LNi0TmrZhih43CfqEkAzvlDYeg9QX+7jYZHo9BcQrabUV0tU7Ra19CV/vXskwivlCXqXT+D5IxFgqZPE+5IkZOevmLfsCDpeSf8SU+EpkM3Rq1KINjjKSG2PbhIpLFlc= x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: e1c8e410-5f94-4dd3-2206-08d584b22496 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(5600026)(4604075)(3008032)(4534165)(4627221)(201703031133081)(201702281549075)(2017052603328)(7193020);SRVR:DM5PR2101MB0981; 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x-microsoft-antispam-message-info: jn1DZzURza5p+IDg2tP3rqNtJxEX4CNE44TgJUEnDcV5wmTRtLH6WeUY3t8U/VqCb/XzthRxOjfHgdB46ztvu0tl/qADkF6ldcoXbKeGefNEpmhvgZiX6lxxrdkP3EbYWBmx+zzQzrzt9WeLKBElhzQZUpQMarpgTMJRzNA0JdO8uX6F4ITH4lDMpfC3Rqqo6zUCEW/+oaIYm4M/BkxM9dKHZ4qfGuyKA0HP1G1zOqh7/qFCxZe+eUoxVzvfe9PTQf2R2iKqJpmWh4qdBl/n41vxw88QgEbB5MCiB7zrdwuIzbdf9/gbUpmLJdUiSbeei2vrd4t5mjcRmnF47gVzlw== 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: e1c8e410-5f94-4dd3-2206-08d584b22496 X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Mar 2018 05:00:13.9852 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB0981 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: Anton Vasilyev [ Upstream commit 744820869166c8c78be891240cf5f66e8a333694 ] Debugfs file reset_stats is created with S_IRUSR permissions, but ocrdma_dbgfs_ops_read() doesn't support OCRDMA_RESET_STATS, whereas ocrdma_dbgfs_ops_write() supports only OCRDMA_RESET_STATS. The patch fixes misstype with permissions. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Anton Vasilyev Acked-by: Selvin Xavier Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/ocrdma/ocrdma_stats.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_stats.c b/drivers/infiniba= nd/hw/ocrdma/ocrdma_stats.c index 8bef09a8c49f..265943069b35 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_stats.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c @@ -836,7 +836,7 @@ void ocrdma_add_port_stats(struct ocrdma_dev *dev) =20 dev->reset_stats.type =3D OCRDMA_RESET_STATS; dev->reset_stats.dev =3D dev; - if (!debugfs_create_file("reset_stats", S_IRUSR, dev->dir, + if (!debugfs_create_file("reset_stats", 0200, dev->dir, &dev->reset_stats, &ocrdma_dbg_ops)) goto err; =20 --=20 2.14.1