e100: don't initialize int object to zero

'err' will be overwritten so no need to initialize it to zero.

Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c
index 1a450f4..35357ae 100644
--- a/drivers/net/ethernet/intel/e100.c
+++ b/drivers/net/ethernet/intel/e100.c
@@ -874,7 +874,7 @@
 {
 	struct cb *cb;
 	unsigned long flags;
-	int err = 0;
+	int err;
 
 	spin_lock_irqsave(&nic->cb_lock, flags);