drivers/net: return operator cleanup

Change "return (EXPR);" to "return EXPR;"

return is not a function, parentheses are not required.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wan/lmc/lmc_main.c b/drivers/net/wan/lmc/lmc_main.c
index 43af85b..70feb84 100644
--- a/drivers/net/wan/lmc/lmc_main.c
+++ b/drivers/net/wan/lmc/lmc_main.c
@@ -1022,7 +1022,7 @@
 
     if (sc->lmc_ok){
         lmc_trace(dev, "lmc_open lmc_ok out");
-        return (0);
+        return 0;
     }
 
     lmc_softreset (sc);
@@ -1110,7 +1110,7 @@
 
     lmc_trace(dev, "lmc_open out");
 
-    return (0);
+    return 0;
 }
 
 /* Total reset to compensate for the AdTran DSU doing bad things