linux-kernel - [PATCH 5.15 100/247] vdpa: ifcvf: set pci driver data in probe

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Message-Id: <20220613094925.988710920@linuxfoundation.org>
Date:   Mon, 13 Jun 2022 12:10:02 +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, Zheyu Ma <zheyuma97@...il.com>,
        Jason Wang <jasowang@...hat.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 100/247] vdpa: ifcvf: set pci driver data in probe

From: Jason Wang <jasowang@...hat.com>

[ Upstream commit bd8bb9aed56b1814784a975e2dfea12a9adcee92 ]

We should set the pci driver data in probe instead of the vdpa device
adding callback. Otherwise if no vDPA device is created we will lose
the pointer to the management device.

Fixes: 6b5df347c6482 ("vDPA/ifcvf: implement management netlink framework for ifcvf")
Tested-by: Zheyu Ma <zheyuma97@...il.com>
Signed-off-by: Jason Wang <jasowang@...hat.com>
Message-Id: <20220524055557.1938-1-jasowang@...hat.com>
Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/vdpa/ifcvf/ifcvf_main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
index 003530b19b4e..4fe8aa13ac68 100644
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -505,7 +505,6 @@ static int ifcvf_vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name)
 	}
 
 	ifcvf_mgmt_dev->adapter = adapter;
-	pci_set_drvdata(pdev, ifcvf_mgmt_dev);
 
 	vf = &adapter->vf;
 	vf->dev_type = get_dev_type(pdev);
@@ -620,6 +619,8 @@ static int ifcvf_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		goto err;
 	}
 
+	pci_set_drvdata(pdev, ifcvf_mgmt_dev);
+
 	return 0;
 
 err:
-- 
2.35.1