From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3684173-1519413796-2-14706316334702569670 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, ME_NOAUTH 0.01, 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='CN', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='UTF-8' 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=1519413795; b=DY2TfWo4jmomTOTRoMeWiSnZRYUgjuj15+Q8ecJ4h0q12Q4 xerWoXpQKH2YxbRceC0oBb2+KG5Xs7raz5DbMUzVEAHv5uuqoLW2mvYjWnOspAnf w4xMFOBwImZdo1DEsOKxX0Uli5c8g2ASK8vX+LuSLYfybd6UEWZgQlBEAOceFn/t VMzsxeSz51UJuT9s3h+jiWgaAeVLE969MPmgqKegG86qZBNtSVbRWGY/IL8Lq0vK uKdCVv7q9ImsmedTTakifjNjaoONhKChCxcGHq0nlKka5a9dh1hJyPjPpP0j0Psm hwR0x3Nct/y7dWov3iDRGoplbc1euH1lfJVJjjg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=arctest; t=1519413795; bh=FAKu+I+zuZZVwGO/H/kxABJMZd SpBSTLEhbMf6PcCHs=; b=bfE6wRR7KJWWhaJGGnJRbFxfZgL84UpMYczMcjP93S BKbuIABZ9pVxl72b9jgcU81QFjwN6JzxmUFmSo0JiPFTQViFZ3oyYt06CYjGb9lp TbJRGuAScCKPiR62l4R8BdrufGr96R6mF3LS7gsKKbNajRqvGtMHTp2LWyPG5LPd jnUUF4OvV+Lm11tEKZ0rmsRE2FEl4ioBON5B6QdSJsyAoDm3T98AIpFNlkAYY2aH 87FgUDWASbBLK/FBHfbf7SWslyoysM3/FHl8BfjU114pZm1jAeDd7BGHZvi6Hl7M hcDtBSGj6ittxKy3nN/NjbfQ/LacXV9xUjBQt2yLCN+Q== ARC-Authentication-Results: i=1; mx5.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; 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=linuxfoundation.org header.result=pass header_is_org_domain=yes Authentication-Results: mx5.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; 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=linuxfoundation.org header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935014AbeBWSxb (ORCPT ); Fri, 23 Feb 2018 13:53:31 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:47364 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935345AbeBWSxa (ORCPT ); Fri, 23 Feb 2018 13:53:30 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dmitry Monakhov , Leon Romanovsky , Jason Gunthorpe , Sasha Levin Subject: [PATCH 4.14 093/159] IB/core: Init subsys if compiled to vmlinuz-core Date: Fri, 23 Feb 2018 19:26:41 +0100 Message-Id: <20180223170754.770331866@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180223170743.086611315@linuxfoundation.org> References: <20180223170743.086611315@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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: 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ 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 =>NULLPTR #Config CONFIG_NET_DEVLINK=y CONFIG_MAY_USE_DEVLINK=y CONFIG_MLX4_EN=y Signed-off-by: Dmitry Monakhov Reviewed-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/core/device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -1261,5 +1261,5 @@ static void __exit ib_core_cleanup(void) MODULE_ALIAS_RDMA_NETLINK(RDMA_NL_LS, 4); -module_init(ib_core_init); +subsys_initcall(ib_core_init); module_exit(ib_core_cleanup);