ixgbe: Fix compiler warning about variable being used uninitialized

tc is still throwing a warning that is could be used
uninitialized.  This fixes it, and properly formats the device ID
checks for the use of this variable.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 1a2ea621e371..2ad754c864cf 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -262,10 +262,12 @@ static inline bool ixgbe_tx_is_paused(struct ixgbe_adapter *adapter,
                 int reg_idx = tx_ring->reg_idx;
                 int dcb_i = adapter->ring_feature[RING_F_DCB].indices;
 
-                if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
+                switch (adapter->hw.mac.type) {
+                case ixgbe_mac_82598EB:
                         tc = reg_idx >> 2;
                         txoff = IXGBE_TFCS_TXOFF0;
-                } else if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+                        break;
+                case ixgbe_mac_82599EB:
                         tc = 0;
                         txoff = IXGBE_TFCS_TXOFF;
                         if (dcb_i == 8) {
@@ -284,6 +286,9 @@ static inline bool ixgbe_tx_is_paused(struct ixgbe_adapter *adapter,
                                                 tc += (reg_idx - 96) >> 4;
                                 }
                         }
+                        break;
+                default:
+                        tc = 0;
                 }
                 txoff <<= tc;
         }