diff options
| -rw-r--r-- | net/ethtool/ioctl.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c index d497ca064ef7..328d15cd4006 100644 --- a/net/ethtool/ioctl.c +++ b/net/ethtool/ioctl.c @@ -1861,23 +1861,18 @@ static int ethtool_phys_id(struct net_device *dev, void __user *useraddr) id.data ? (id.data * HZ) : MAX_SCHEDULE_TIMEOUT); } else { /* Driver expects to be called at twice the frequency in rc */ - int n = rc * 2, i, interval = HZ / n; + int n = rc * 2, interval = HZ / n; + u64 count = n * id.data, i = 0; - /* Count down seconds */ do { - /* Count down iterations per second */ - i = n; - do { - rtnl_lock(); - rc = ops->set_phys_id(dev, - (i & 1) ? ETHTOOL_ID_OFF : ETHTOOL_ID_ON); - rtnl_unlock(); - if (rc) - break; - schedule_timeout_interruptible(interval); - } while (!signal_pending(current) && --i != 0); - } while (!signal_pending(current) && - (id.data == 0 || --id.data != 0)); + rtnl_lock(); + rc = ops->set_phys_id(dev, + (i++ & 1) ? ETHTOOL_ID_OFF : ETHTOOL_ID_ON); + rtnl_unlock(); + if (rc) + break; + schedule_timeout_interruptible(interval); + } while (!signal_pending(current) && (!id.data || i < count)); } rtnl_lock(); |