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/net/irda/irlmp.c b/net/irda/irlmp.c
index 0e7d8bd..6115a44 100644
--- a/net/irda/irlmp.c
+++ b/net/irda/irlmp.c
@@ -939,7 +939,7 @@
 	}
 
 	/* Return current cached discovery log */
-	return(irlmp_copy_discoveries(irlmp->cachelog, pn, mask, TRUE));
+	return irlmp_copy_discoveries(irlmp->cachelog, pn, mask, TRUE);
 }
 EXPORT_SYMBOL(irlmp_get_discoveries);