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From:   Sasha Levin <Alexander.Levin@microsoft.com>
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        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
CC:     Vasily Gorbik <gor@linux.ibm.com>,
        Martin Schwidefsky <schwidefsky@de.ibm.com>,
        Sasha Levin <Alexander.Levin@microsoft.com>
Subject: [PATCH AUTOSEL 4.14 45/87] s390/scm_blk: correct numa_node in
 scm_blk_dev_setup
Thread-Topic: [PATCH AUTOSEL 4.14 45/87] s390/scm_blk: correct numa_node in
 scm_blk_dev_setup
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Date:   Mon, 17 Sep 2018 03:02:51 +0000
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From: Vasily Gorbik <gor@linux.ibm.com>

[ Upstream commit d642d6262f4fcfa5d200ec6e218c17f0c15b3390 ]

The numa_node field of the tag_set struct has to be explicitly
initialized, otherwise it stays as 0, which is a valid numa node id and
cause memory allocation failure if node 0 is offline.

Acked-by: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
---
 drivers/s390/block/scm_blk.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/s390/block/scm_blk.c b/drivers/s390/block/scm_blk.c
index eb51893c74a4..5c944ee76ec1 100644
--- a/drivers/s390/block/scm_blk.c
+++ b/drivers/s390/block/scm_blk.c
@@ -454,6 +454,7 @@ int scm_blk_dev_setup(struct scm_blk_dev *bdev, struct =
scm_device *scmdev)
 	bdev->tag_set.nr_hw_queues =3D nr_requests;
 	bdev->tag_set.queue_depth =3D nr_requests_per_io * nr_requests;
 	bdev->tag_set.flags =3D BLK_MQ_F_SHOULD_MERGE;
+	bdev->tag_set.numa_node =3D NUMA_NO_NODE;
=20
 	ret =3D blk_mq_alloc_tag_set(&bdev->tag_set);
 	if (ret)
--=20
2.17.1