linux-kernel - [PATCH 3.11 152/198] net/mlx4_core: pass pci_device_id.driver_data to __mlx4_init

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Message-Id: <1404379241-8590-153-git-send-email-luis.henriques@canonical.com>
Date:	Thu,  3 Jul 2014 10:19:55 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Wei Yang <weiyang@...ux.vnet.ibm.com>,
	"David S. Miller" <davem@...emloft.net>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.11 152/198] net/mlx4_core: pass pci_device_id.driver_data to __mlx4_init_one during reset

3.11.10.13 -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: Luis Henriques <luis.henriques@...onical.com>
---
 drivers/net/ethernet/mellanox/mlx4/main.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 36be3208786a..c495c604ead3 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -2522,7 +2522,11 @@ static pci_ers_result_t mlx4_pci_err_detected(struct pci_dev *pdev,
 
 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;
 }
-- 
1.9.1

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