From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:49754 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753122AbeDJMdi (ORCPT ); Tue, 10 Apr 2018 08:33:38 -0400 Subject: Patch "block: fix an error code in add_partition()" has been added to the 3.18-stable tree To: dan.carpenter@oracle.com, alexander.levin@microsoft.com, axboe@fb.com, gregkh@linuxfoundation.org Cc: , From: Date: Tue, 10 Apr 2018 14:33:06 +0200 Message-ID: <1523363586206155@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 block: fix an error code in add_partition() to the 3.18-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: block-fix-an-error-code-in-add_partition.patch and it can be found in the queue-3.18 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Tue Apr 10 13:58:07 CEST 2018 From: Dan Carpenter Date: Tue, 23 May 2017 17:28:36 +0300 Subject: block: fix an error code in add_partition() From: Dan Carpenter [ Upstream commit 7bd897cfce1eb373892d35d7f73201b0f9b221c4 ] We don't set an error code on this path. It means that we return NULL instead of an error pointer and the caller does a NULL dereference. Fixes: 6d1d8050b4bc ("block, partition: add partition_meta_info to hd_struct") Signed-off-by: Dan Carpenter Signed-off-by: Jens Axboe Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- block/partition-generic.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/block/partition-generic.c +++ b/block/partition-generic.c @@ -309,8 +309,10 @@ struct hd_struct *add_partition(struct g if (info) { struct partition_meta_info *pinfo = alloc_part_info(disk); - if (!pinfo) + if (!pinfo) { + err = -ENOMEM; goto out_free_stats; + } memcpy(pinfo, info, sizeof(*info)); p->info = pinfo; } Patches currently in stable-queue which might be from dan.carpenter@oracle.com are queue-3.18/block-fix-an-error-code-in-add_partition.patch queue-3.18/powercap-fix-an-error-code-in-powercap_register_zone.patch queue-3.18/libceph-null-deref-on-crush_decode-error-path.patch