linux-kernel - [PATCH 5.7 086/166] RDMA/siw: Fix reporting vendor_part

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Message-Id: <20200714184119.968856576@linuxfoundation.org>
Date:   Tue, 14 Jul 2020 20:44:11 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Kamal Heib <kamalheib1@...il.com>,
        Bernard Metzler <bmt@...ich.ibm.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.7 086/166] RDMA/siw: Fix reporting vendor_part_id

From: Kamal Heib <kamalheib1@...il.com>

[ Upstream commit 04340645f69ab7abb6f9052688a60f0213b3f79c ]

Move the initialization of the vendor_part_id to be before calling
ib_register_device(), this is needed because the query_device() callback
is called from the context of ib_register_device() before initializing the
vendor_part_id, so the reported value is wrong.

Fixes: bdcf26bf9b3a ("rdma/siw: network and RDMA core interface")
Link: https://lore.kernel.org/r/20200707130931.444724-1-kamalheib1@gmail.com
Signed-off-by: Kamal Heib <kamalheib1@...il.com>
Reviewed-by: Bernard Metzler <bmt@...ich.ibm.com>
Signed-off-by: Jason Gunthorpe <jgg@...dia.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/infiniband/sw/siw/siw_main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/sw/siw/siw_main.c b/drivers/infiniband/sw/siw/siw_main.c
index 5cd40fb9e20ce..634c4b3716238 100644
--- a/drivers/infiniband/sw/siw/siw_main.c
+++ b/drivers/infiniband/sw/siw/siw_main.c
@@ -67,12 +67,13 @@ static int siw_device_register(struct siw_device *sdev, const char *name)
 	static int dev_id = 1;
 	int rv;
 
+	sdev->vendor_part_id = dev_id++;
+
 	rv = ib_register_device(base_dev, name);
 	if (rv) {
 		pr_warn("siw: device registration error %d\n", rv);
 		return rv;
 	}
-	sdev->vendor_part_id = dev_id++;
 
 	siw_dbg(base_dev, "HWaddr=%pM\n", sdev->netdev->dev_addr);
 
-- 
2.25.1