From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:34472 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751402AbeBWLLS (ORCPT ); Fri, 23 Feb 2018 06:11:18 -0500 Subject: Patch "IB/core: Init subsys if compiled to vmlinuz-core" has been added to the 4.14-stable tree To: dmonakhov@openvz.org, alexander.levin@verizon.com, gregkh@linuxfoundation.org, jgg@mellanox.com, leonro@mellanox.com Cc: , From: Date: Fri, 23 Feb 2018 12:10:27 +0100 Message-ID: <1519384227179216@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled IB/core: Init subsys if compiled to vmlinuz-core to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ib-core-init-subsys-if-compiled-to-vmlinuz-core.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Fri Feb 23 11:45:09 CET 2018 From: Dmitry Monakhov Date: Mon, 27 Nov 2017 13:39:05 +0000 Subject: IB/core: Init subsys if compiled to vmlinuz-core 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); Patches currently in stable-queue which might be from dmonakhov@openvz.org are queue-4.14/ib-core-init-subsys-if-compiled-to-vmlinuz-core.patch