[Intel-wired-lan] [PATCH] i40e: only register client on iWarp-capable devices
Mitch Williams
mitch.a.williams at intel.com
Tue Apr 4 19:40:16 UTC 2017
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 at intel.com>
Reported-by: Stefan Assmann <sassmann at kpanic.de>
---
drivers/net/ethernet/intel/i40e/i40e_main.c | 19 +++++++++++--------
1 file changed, 11 insertions(+), 8 deletions(-)
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 */
--
2.7.4
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