sfc: Correct interpretation of second param to ethtool phys_id()

A value of 0 means indefinite repetition (until interrupted).

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index cd92c4d8dbc5..9c533e036a00 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -182,12 +182,16 @@ static struct efx_ethtool_stat efx_ethtool_stats[] = {
  */
 
 /* Identify device by flashing LEDs */
-static int efx_ethtool_phys_id(struct net_device *net_dev, u32 seconds)
+static int efx_ethtool_phys_id(struct net_device *net_dev, u32 count)
 {
         struct efx_nic *efx = netdev_priv(net_dev);
 
         efx->board_info.blink(efx, 1);
-        schedule_timeout_interruptible(seconds * HZ);
+        set_current_state(TASK_INTERRUPTIBLE);
+        if (count)
+                schedule_timeout(count * HZ);
+        else
+                schedule();
         efx->board_info.blink(efx, 0);
         return 0;
 }