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[E1000]: Fix schedule while atomic when called from mii-tool.

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mii-tool can cause the driver to call msleep during nway reset,
bugzilla.kernel.org bug 8430.  Fix by simply calling reinit_locked
outside of the spinlock, which is safe from ethtool, so it should be
safe from here.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jesse Brandeburg 2007-11-13 21:00:09 -08:00 committed by David S. Miller
parent e2ac455a18
commit f0163ac45b
1 changed files with 3 additions and 10 deletions
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13
drivers/net/e1000/e1000_main.c
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@ -4804,6 +4804,7 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
spin_unlock_irqrestore(&adapter->stats_lock, flags);
return -EIO;
}
spin_unlock_irqrestore(&adapter->stats_lock, flags);
if (adapter->hw.media_type == e1000_media_type_copper) {
switch (data->reg_num) {
case PHY_CTRL:
@ -4824,12 +4825,8 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
DUPLEX_HALF;
retval = e1000_set_spd_dplx(adapter,
spddplx);
if (retval) {
spin_unlock_irqrestore(
&adapter->stats_lock,
flags);
if (retval)
return retval;
}
}
if (netif_running(adapter->netdev))
e1000_reinit_locked(adapter);
@ -4838,11 +4835,8 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
break;
case M88E1000_PHY_SPEC_CTRL:
case M88E1000_EXT_PHY_SPEC_CTRL:
if (e1000_phy_reset(&adapter->hw)) {
spin_unlock_irqrestore(
&adapter->stats_lock, flags);
if (e1000_phy_reset(&adapter->hw))
return -EIO;
}
break;
}
} else {
@ -4857,7 +4851,6 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
break;
}
}
spin_unlock_irqrestore(&adapter->stats_lock, flags);
break;
default:
return -EOPNOTSUPP;