| Message ID | 1491334816-27356-1-git-send-email-mitch.a.williams@intel.com |
|---|---|
| State | Accepted |
| Delegated to: | Jeff Kirsher |
| Headers | show |
> -----Original Message----- > From: Intel-wired-lan [mailto:intel-wired-lan-bounces@lists.osuosl.org] On > Behalf Of Mitch Williams > Sent: Tuesday, April 4, 2017 12:40 PM > To: intel-wired-lan@lists.osuosl.org > Cc: netdev@vger.kernel.org; sassmann@kpanic.de > Subject: [Intel-wired-lan] [PATCH] i40e: only register client on iWarp-capable > devices > > 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> > --- > drivers/net/ethernet/intel/i40e/i40e_main.c | 19 +++++++++++-------- > 1 file changed, 11 insertions(+), 8 deletions(-) Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 87d99fa..5e0e44e 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -11828,10 +11828,12 @@ 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); + } #define PCI_SPEED_SIZE 8 #define PCI_WIDTH_SIZE 8 @@ -12013,10 +12015,11 @@ 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 */
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> --- drivers/net/ethernet/intel/i40e/i40e_main.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-)