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i40e: only register client on iWarp-capable devices

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[ Upstream commit 004eb614c4 ]

The client interface is only intended for use on devices that support
iWarp. Only register with the client if this is the case.

This fixes a panic when loading i40iw on X710 devices.

Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Reported-by: Stefan Assmann <sassmann@kpanic.de>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mitch Williams
2017-04-04 12:40:16 -07:00
committed by Greg Kroah-Hartman
parent 543a1817e5
commit a9a100b20d
1 changed files with 11 additions and 8 deletions
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19
drivers/net/ethernet/intel/i40e/i40e_main.c
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@@ -11142,10 +11142,12 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
round_jiffies(jiffies + pf->service_timer_period));
/* add this PF to client device list and launch a client service task */
err = i40e_lan_add_device(pf);
if (err)
dev_info(&pdev->dev, "Failed to add PF to client API service list: %d\n",
err);
if (pf->flags & I40E_FLAG_IWARP_ENABLED) {
err = i40e_lan_add_device(pf);
if (err)
dev_info(&pdev->dev, "Failed to add PF to client API service list: %d\n",
err);
}
#ifdef I40E_FCOE
/* create FCoE interface */
@@ -11323,10 +11325,11 @@ static void i40e_remove(struct pci_dev *pdev)
i40e_vsi_release(pf->vsi[pf->lan_vsi]);
/* remove attached clients */
ret_code = i40e_lan_del_device(pf);
if (ret_code) {
dev_warn(&pdev->dev, "Failed to delete client device: %d\n",
ret_code);
if (pf->flags & I40E_FLAG_IWARP_ENABLED) {
ret_code = i40e_lan_del_device(pf);
if (ret_code)
dev_warn(&pdev->dev, "Failed to delete client device: %d\n",
ret_code);
}
/* shutdown and destroy the HMC */