smsc911x: timeout reaches -1

With a postfix decrement the timeout will reach -1 rather than 0,
so the warning will not be issued.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
index f513bdf..783c1a7 100644 (file)
--- a/drivers/net/smsc911x.c
+++ b/drivers/net/smsc911x.c
@@ -953,7 +953,7 @@ smsc911x_rx_fastforward(struct smsc911x_data *pdata, unsigned int pktbytes)
                do {
                        udelay(1);
                        val = smsc911x_reg_read(pdata, RX_DP_CTRL);
-               } while (timeout-- && (val & RX_DP_CTRL_RX_FFWD_));
+               } while (--timeout && (val & RX_DP_CTRL_RX_FFWD_));
 
                if (unlikely(timeout == 0))
                        SMSC_WARNING(HW, "Timed out waiting for "