drivers/net: remove useless semicolons

switch and while statements don't need semicolons at end of statement

[ Fixup minor conflicts with recent wimax merge... -DaveM ]

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 01b5cfc..97b2553 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1367,7 +1367,7 @@
 	default:
 		ret = -EINVAL;
 		break;
-	};
+	}
 
 unlock:
 	rtnl_unlock();