diff options
| author | John Fastabend <john.r.fastabend@intel.com> | 2011-10-15 09:00:10 +0400 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-11-03 03:55:31 +0400 |
| commit | b120818e652965669d3f1abaeaa5c3ccdfb28126 (patch) | |
| tree | f6b2a4b60a94ecbb805a4825834940a62e1e748e /drivers/net | |
| parent | 93d3ce8fafb888702311fc8c5917faa4c25b8266 (diff) | |
| download | linux-b120818e652965669d3f1abaeaa5c3ccdfb28126.tar.xz | |
ixgbe: fix smatch splat due to missing NULL check
ixgbe_ieee_ets and ixgbe_ieee_pfc are intialized at
the same time. Do a check for both before configuring
IEEE802.1Qaz. Also max_frame was causing a sparse
warning resolved here as well.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 33 |
1 files changed, 12 insertions, 21 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 2e9fd9dccf0c..8ef92d1a6aa1 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -3345,34 +3345,25 @@ static void ixgbe_configure_dcb(struct ixgbe_adapter *adapter) hw->mac.ops.set_vfta(&adapter->hw, 0, 0, true); - /* reconfigure the hardware */ - if (adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE) { #ifdef IXGBE_FCOE - if (adapter->netdev->features & NETIF_F_FCOE_MTU) - max_frame = max(max_frame, IXGBE_FCOE_JUMBO_FRAME_SIZE); + if (adapter->netdev->features & NETIF_F_FCOE_MTU) + max_frame = max(max_frame, IXGBE_FCOE_JUMBO_FRAME_SIZE); #endif + + /* reconfigure the hardware */ + if (adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE) { ixgbe_dcb_calculate_tc_credits(hw, &adapter->dcb_cfg, max_frame, DCB_TX_CONFIG); ixgbe_dcb_calculate_tc_credits(hw, &adapter->dcb_cfg, max_frame, DCB_RX_CONFIG); ixgbe_dcb_hw_config(hw, &adapter->dcb_cfg); - } else { - struct net_device *dev = adapter->netdev; - - if (adapter->ixgbe_ieee_ets) { - struct ieee_ets *ets = adapter->ixgbe_ieee_ets; - int max_frame = dev->mtu + ETH_HLEN + ETH_FCS_LEN; - - ixgbe_dcb_hw_ets(&adapter->hw, ets, max_frame); - } - - if (adapter->ixgbe_ieee_pfc) { - struct ieee_pfc *pfc = adapter->ixgbe_ieee_pfc; - u8 *prio_tc = adapter->ixgbe_ieee_ets->prio_tc; - - ixgbe_dcb_hw_pfc_config(&adapter->hw, pfc->pfc_en, - prio_tc); - } + } else if (adapter->ixgbe_ieee_ets && adapter->ixgbe_ieee_pfc) { + ixgbe_dcb_hw_ets(&adapter->hw, + adapter->ixgbe_ieee_ets, + max_frame); + ixgbe_dcb_hw_pfc_config(&adapter->hw, + adapter->ixgbe_ieee_pfc->pfc_en, + adapter->ixgbe_ieee_ets->prio_tc); } /* Enable RSS Hash per TC */ |