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>

net/tipc/bearer.c

@@ -63,7 +63,7 @@ static int media_name_valid(const char *name)
 	len = strlen(name);
 	if ((len + 1) > TIPC_MAX_MEDIA_NAME)
 		return 0;
-	return (strspn(name, tipc_alphabet) == len);
+	return strspn(name, tipc_alphabet) == len;
 }
 
 /**