linux-kernel - [PATCH 3.10 25/52] net/mlx4_core: pass pci_device_id.driver_data to __mlx4_init

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Date:	Tue, 24 Jun 2014 11:50:40 -0400
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Wei Yang <weiyang@...ux.vnet.ibm.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: [PATCH 3.10 25/52] net/mlx4_core: pass pci_device_id.driver_data to __mlx4_init_one during reset

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Wei Yang <weiyang@...ux.vnet.ibm.com>

[ No upstream commit, this is a cherry picked backport enabler. ]

The second parameter of __mlx4_init_one() is used to identify whether the
pci_dev is a PF or VF. Currently, when it is invoked in mlx4_pci_slot_reset()
this information is missed.

This patch match the pci_dev with mlx4_pci_table and passes the
pci_device_id.driver_data to __mlx4_init_one() in mlx4_pci_slot_reset().

Signed-off-by: Wei Yang <weiyang@...ux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/mellanox/mlx4/main.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -2517,7 +2517,11 @@ static pci_ers_result_t mlx4_pci_err_det
 
 static pci_ers_result_t mlx4_pci_slot_reset(struct pci_dev *pdev)
 {
-	int ret = __mlx4_init_one(pdev, 0);
+	const struct pci_device_id *id;
+	int ret;
+
+	id = pci_match_id(mlx4_pci_table, pdev);
+	ret = __mlx4_init_one(pdev, id->driver_data);
 
 	return ret ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED;
 }


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