From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1372482-1517181087-2-11451962786460471801 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.001, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='com', MailFrom='org', XOriginatingCountry='US' X-Spam-charsets: plain='iso-8859-1' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1517181086; b=RcX6W4xH5RKWHUXtnPahVDY9zOh5NYoYN4oOxObd0RaVZlD 6MYvl4WwYtWYYvlY6S++ylEcuSm3SfB1rp1vKYMZ0uWFYkfjmOjFpWZzYKUbzoGc +NWQD0CZrSVWnYSa6BtRb3ugd0jGFkKOEmejrTgWoWx33k5PJmeWxG5NPlU8UpaI MFu+uLHY9FU+nd9c8/Avxmw9uRuZbNzlOxFSEuo/bXprp6TNciWpfH4ggCx/duuM 5sdQou9jzA9JQDs04Ee+8nYuZmIlkZC+pIxj7qiwFFsa3fzRovK8eHq7LJAwmnqK 1eAMSC6cLGFlL3nqTEN19bnUaVG4Zjluwf4yS9w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :references:in-reply-to:content-type:content-transfer-encoding :mime-version:sender:list-id; s=arctest; t=1517181086; bh=vVCk/p nOAFDzYL72z9LSlzcXdgF+0CjDbmVFF65UphE=; b=sgpD5jUo+cN7rekpLdxf4x Ky3oywmN+oJ8GtnN1BOdoXC2yTIjvDkXbx6m7X+rLiRErsAlbkSLyPrclOsacBz+ /HpOlnkIGo442MOmeO0d1bEv/f65mAMK7jlvjnDsMXRUfT5NEqSBd0awmP4NTR+y vCvPmKA9Baftejh9c+9Q3OL7LZjjsqBM5ZnuLsGNKTIShObG/FAs7temQJMWFS5u tuqdQwgfgsO91ktuxPeLZw8zKdi/Dq75o3lnYP99JK9c2M3o25H0ac0cKPduOX2b c4E0CjW7m9Ge2BGRtqFl0EzgfTpR0K7OVycnUk7oKE+PjCMPOeLlC+NhaiQlVPNw == ARC-Authentication-Results: i=1; mx2.messagingengine.com; arc=none (no signatures found); dkim=pass (1024-bit rsa key sha256) header.d=microsoft.com header.i=@microsoft.com header.b=bF6le5vu x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=selector1; dmarc=pass (p=reject,has-list-id=yes,d=none) header.from=microsoft.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=microsoft.com header.result=pass header_is_org_domain=yes Authentication-Results: mx2.messagingengine.com; arc=none (no signatures found); dkim=pass (1024-bit rsa key sha256) header.d=microsoft.com header.i=@microsoft.com header.b=bF6le5vu x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=selector1; dmarc=pass (p=reject,has-list-id=yes,d=none) header.from=microsoft.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=microsoft.com header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752109AbeA1XLW (ORCPT ); Sun, 28 Jan 2018 18:11:22 -0500 Received: from mail-by2nam03on0099.outbound.protection.outlook.com ([104.47.42.99]:57621 "EHLO NAM03-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753212AbeA1W04 (ORCPT ); Sun, 28 Jan 2018 17:26:56 -0500 From: Sasha Levin To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" CC: Dmitry Monakhov , Jason Gunthorpe , Sasha Levin Subject: [PATCH AUTOSEL for 4.14 035/100] IB/core: Init subsys if compiled to vmlinuz-core Thread-Topic: [PATCH AUTOSEL for 4.14 035/100] IB/core: Init subsys if compiled to vmlinuz-core Thread-Index: AQHTmIcF1tZZaYkfc0mmqIy7dw7NBQ== Date: Sun, 28 Jan 2018 22:26:21 +0000 Message-ID: <20180128222547.7398-35-alexander.levin@microsoft.com> References: <20180128222547.7398-1-alexander.levin@microsoft.com> In-Reply-To: <20180128222547.7398-1-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;MWHSPR01MB344;6:7TttEJidtjmQQpQfbAsraMENyC/x1R7jKX0u4LBGOS+2Ujs0eRBAWVLU2kCxzyLEUBfRvN0y31bfXhC322WjcPyXGGlmiOrNi3JAks5lcYYFOqjZmzqyAxakxLNBWOe9+kpbDfBdkaDtpMkaqtjOC66KjV7E8VpvxecQJOS8gz1iKak08N+Kor90SZv+jDNg7lTeQkw7q9xCAx9U+uxivW7mMC7P7wJg8fMlQCYcJ/nPKqtVHJS7air4yOm8dVkkREdCEGU3XHiD/ugJaer1GoWz9us5tDKoxkeej229UZBThZ0GAvZR68mJ8+rufmKxPlf2tIp87WAK8eUID6yZ7NArvSloPlsV+S8c1H/O7Ors7ttfxVn8f6ZRghngegJE;5:FGp0zOMLbWVZXOGa0qdY7QJaM5De76exugLNDkEg0eOGBPCdM+DeRF9jNx1+vfmPU4SKLBUnhSnFhvjZt62CGPt/bqG2bF5FD3NNcSK/rBK9OtZM8e/ErQIsn/r2AqlsCAAdR0ZpqKfYRIOkVlI4V/PahRPCZS+XzTtBF+XPctg=;24:nrbbr8e4lteMMFTyHyeB+2TWcjll0bdPHLawtzGo04b6x06dSyQ0lc7ngWMJi4IaN2wCtVCE8UFqa9aLITjD1LqiQ+Ivx8i+5QA0rsX0iaA=;7:dxMjK4P+PCvdjPXP2ep5eNMBdVB3+d5YSsHIPL9wC/hLqro0t/5JW1Pa4QAYEU5ZOkbAhxHw9/jMvOdJGqatD5XS5S71wg7cc26Q7p/D2+qnagOcc5se99a2pST0tts3+h1BzrB14InrmvnOYTYrSKFqJ7dFW178c1e9HXuBetHPeNKJ/702CmdlPRNJpGxWQ/DU+ldxzmnkIsZmlr2qapR+j3bYTQDmXra5iViFM3gyBx2feZjbAyZtBP7pADMc x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 454f361d-a996-450e-05bd-08d5669e3acc x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(4534165)(4627221)(201703031133081)(201702281549075)(48565401081)(5600026)(4604075)(3008032)(2017052603307)(7193020);SRVR:MWHSPR01MB344; x-ms-traffictypediagnostic: MWHSPR01MB344: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(28532068793085)(89211679590171); x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(61425038)(6040501)(2401047)(8121501046)(5005006)(93006095)(93001095)(3002001)(10201501046)(3231101)(944501161)(6055026)(61426038)(61427038)(6041288)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123562045)(20161123564045)(20161123558120)(20161123560045)(6072148)(201708071742011);SRVR:MWHSPR01MB344;BCL:0;PCL:0;RULEID:;SRVR:MWHSPR01MB344; x-forefront-prvs: 05669A7924 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(346002)(39860400002)(366004)(396003)(376002)(39380400002)(189003)(199004)(10090500001)(86362001)(36756003)(99286004)(2900100001)(6486002)(6512007)(7736002)(1076002)(6436002)(3846002)(76176011)(2906002)(8676002)(86612001)(81156014)(105586002)(316002)(5250100002)(81166006)(66066001)(102836004)(478600001)(3280700002)(6116002)(14454004)(2501003)(4326008)(110136005)(10290500003)(26005)(54906003)(107886003)(53936002)(6666003)(186003)(25786009)(59450400001)(68736007)(6506007)(305945005)(5660300001)(106356001)(22452003)(2950100002)(8936002)(97736004)(3660700001)(72206003)(22906009)(217873001);DIR:OUT;SFP:1102;SCL:1;SRVR:MWHSPR01MB344;H:MW2PR2101MB1034.namprd21.prod.outlook.com;FPR:;SPF:None;PTR:InfoNoRecords;MX:1;A:1;LANG:en; x-microsoft-antispam-message-info: qw+wSoN5k5v4hjOYZKdKz6l5eOVz8hQVnPsX0AT9lXfrU8Pv92xoIJDbARh1+oHPiVoG2AUgNs1fjAYmGprsXw== 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: 454f361d-a996-450e-05bd-08d5669e3acc X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Jan 2018 22:26:21.2167 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHSPR01MB344 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: Dmitry Monakhov [ Upstream commit a9cd1a673737dd81332fce1145801bfacfb90d90 ] Once infiniband is compiled as a core component its subsystem must be enabled before device initialization. Otherwise there is a NULL pointer dereference during mlx4_core init, calltrace: ->device_add if (dev->class) { deref dev->class->p =3D>NULLPTR #Config CONFIG_NET_DEVLINK=3Dy CONFIG_MAY_USE_DEVLINK=3Dy CONFIG_MLX4_EN=3Dy Signed-off-by: Dmitry Monakhov Reviewed-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/core/device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/dev= ice.c index 84fc32a2c8b3..5e1be4949d5f 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -1253,5 +1253,5 @@ static void __exit ib_core_cleanup(void) =20 MODULE_ALIAS_RDMA_NETLINK(RDMA_NL_LS, 4); =20 -module_init(ib_core_init); +subsys_initcall(ib_core_init); module_exit(ib_core_cleanup); --=20 2.11.0