e1000: remove set but not used variable 'txb2b'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/net/ethernet/intel/e1000/e1000_main.c: In function 'e1000_watchdog':
drivers/net/ethernet/intel/e1000/e1000_main.c:2436:9: warning:
 variable 'txb2b' set but not used [-Wunused-but-set-variable]

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 7e0f1f9..43b6d3c 100644 (file)
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -2433,7 +2433,6 @@ static void e1000_watchdog(struct work_struct *work)
        if (link) {
                if (!netif_carrier_ok(netdev)) {
                        u32 ctrl;
-                       bool txb2b = true;
                        /* update snapshot of PHY registers on LSC */
                        e1000_get_speed_and_duplex(hw,
                                                   &adapter->link_speed,
@@ -2455,11 +2454,9 @@ static void e1000_watchdog(struct work_struct *work)
                        adapter->tx_timeout_factor = 1;
                        switch (adapter->link_speed) {
                        case SPEED_10:
-                               txb2b = false;
                                adapter->tx_timeout_factor = 16;
                                break;
                        case SPEED_100:
-                               txb2b = false;
                                /* maybe add some timeout factor ? */
                                break;
                        }