staging: wilc1000: removes unused local variable

This patch removes unused local variable.
This variable is operation definition that back off from sending packets
for some time.
However, that has been deleted operation code.
That is removes all relative code.

Signed-off-by: Leo Kim <leo.kim@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c
index fae03e8cda6f48d367ae7ab57aeafaaa3e39f5e0..a858552737b6217a76d16ba24ab0a1b199cc6c47 100644 (file)
--- a/drivers/staging/wilc1000/linux_wlan.c
+++ b/drivers/staging/wilc1000/linux_wlan.c
@@ -309,12 +309,6 @@ static int linux_wlan_txq_task(void *vp)
        struct wilc_vif *vif;
        struct wilc *wl;
        struct net_device *dev = vp;
-#define TX_BACKOFF_WEIGHT_INCR_STEP (1)
-#define TX_BACKOFF_WEIGHT_DECR_STEP (1)
-#define TX_BACKOFF_WEIGHT_MAX (7)
-#define TX_BACKOFF_WEIGHT_MIN (0)
-#define TX_BACKOFF_WEIGHT_UNIT_MS (10)
-       int backoff_weight = TX_BACKOFF_WEIGHT_MIN;
 
        vif = netdev_priv(dev);
        wl = vif->wilc;
@@ -338,18 +332,6 @@ static int linux_wlan_txq_task(void *vp)
                                if (netif_queue_stopped(wl->vif[1]->ndev))
                                        netif_wake_queue(wl->vif[1]->ndev);
                        }
-
-                       if (ret == WILC_TX_ERR_NO_BUF) {
-                               backoff_weight += TX_BACKOFF_WEIGHT_INCR_STEP;
-                               if (backoff_weight > TX_BACKOFF_WEIGHT_MAX)
-                                       backoff_weight = TX_BACKOFF_WEIGHT_MAX;
-                       } else {
-                               if (backoff_weight > TX_BACKOFF_WEIGHT_MIN) {
-                                       backoff_weight -= TX_BACKOFF_WEIGHT_DECR_STEP;
-                                       if (backoff_weight < TX_BACKOFF_WEIGHT_MIN)
-                                               backoff_weight = TX_BACKOFF_WEIGHT_MIN;
-                               }
-                       }
                } while (ret == WILC_TX_ERR_NO_BUF && !wl->close);
        }
        return 0;