| Message ID | 20160708001838.11232.8898.stgit@localhost6.localdomain6 |
|---|---|
| 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 Emil Tantilov > Sent: Thursday, July 07, 2016 5:19 PM > To: intel-wired-lan@lists.osuosl.org > Subject: [Intel-wired-lan] [PATCH v2] ixgbe: fix setup_fc for x550em > > mac->ops.setup_fc can be null for backplanes which can cause the driver > to crash on load. > > v2 - corrected Reported-by > > Reported-by: Patrick McLean <patrickm@gaikai.com> > Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com> > --- > drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) Tested-by: Andrew Bowers <andrewx.bowers@intel.com> No crash/panic on init, unload and reload.
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c index 19b75cd..4716ca4 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c @@ -1618,6 +1618,8 @@ static void ixgbe_init_mac_link_ops_X550em(struct ixgbe_hw *hw) { struct ixgbe_mac_info *mac = &hw->mac; + mac->ops.setup_fc = ixgbe_setup_fc_x550em; + switch (mac->ops.get_media_type(hw)) { case ixgbe_media_type_fiber: /* CS4227 does not support autoneg, so disable the laser control @@ -1627,7 +1629,6 @@ static void ixgbe_init_mac_link_ops_X550em(struct ixgbe_hw *hw) mac->ops.enable_tx_laser = NULL; mac->ops.flap_tx_laser = NULL; mac->ops.setup_link = ixgbe_setup_mac_link_multispeed_fiber; - mac->ops.setup_fc = ixgbe_setup_fc_x550em; switch (hw->device_id) { case IXGBE_DEV_ID_X550EM_A_SFP_N: mac->ops.setup_mac_link = ixgbe_setup_mac_link_sfp_n; @@ -1655,7 +1656,6 @@ static void ixgbe_init_mac_link_ops_X550em(struct ixgbe_hw *hw) mac->ops.setup_link = ixgbe_setup_sgmii; break; default: - mac->ops.setup_fc = ixgbe_setup_fc_x550em; break; } }
mac->ops.setup_fc can be null for backplanes which can cause the driver to crash on load. v2 - corrected Reported-by Reported-by: Patrick McLean <patrickm@gaikai.com> Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com> --- drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)