niu: Fix error checking in niu_ethflow_to_class.

The callers of niu_ethflow_to_class expect zero as error, but it returns
-1 instead.

Signed-off-by: Andreas Schwab <schwab@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index 8ee7d7bb951b2106fa58aada1b7d89530bb79d05..e4765b713abab5afae02980bf6af52d8da8cb8b0 100644 (file)
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -6417,7 +6417,7 @@ static int niu_ethflow_to_class(int flow_type, u64 *class)
                *class = CLASS_CODE_SCTP_IPV6;
                break;
        default:
-               return -1;
+               return 0;
        }
 
        return 1;