diff options
Diffstat (limited to 'drivers/net/e1000')
| -rw-r--r-- | drivers/net/e1000/e1000_main.c | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 137226d98d47..d21e29d09ddc 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -3376,6 +3376,7 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) int retval; uint16_t mii_reg; uint16_t spddplx; + unsigned long flags; if(adapter->hw.media_type != e1000_media_type_copper) return -EOPNOTSUPP; @@ -3385,22 +3386,29 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) data->phy_id = adapter->hw.phy_addr; break; case SIOCGMIIREG: - if (!capable(CAP_NET_ADMIN)) + if(!capable(CAP_NET_ADMIN)) return -EPERM; - if (e1000_read_phy_reg(&adapter->hw, data->reg_num & 0x1F, - &data->val_out)) + spin_lock_irqsave(&adapter->stats_lock, flags); + if(e1000_read_phy_reg(&adapter->hw, data->reg_num & 0x1F, + &data->val_out)) { + spin_unlock_irqrestore(&adapter->stats_lock, flags); return -EIO; + } + spin_unlock_irqrestore(&adapter->stats_lock, flags); break; case SIOCSMIIREG: - if (!capable(CAP_NET_ADMIN)) + if(!capable(CAP_NET_ADMIN)) return -EPERM; - if (data->reg_num & ~(0x1F)) + if(data->reg_num & ~(0x1F)) return -EFAULT; mii_reg = data->val_in; - if (e1000_write_phy_reg(&adapter->hw, data->reg_num, - mii_reg)) + spin_lock_irqsave(&adapter->stats_lock, flags); + if(e1000_write_phy_reg(&adapter->hw, data->reg_num, + mii_reg)) { + spin_unlock_irqrestore(&adapter->stats_lock, flags); return -EIO; - if (adapter->hw.phy_type == e1000_phy_m88) { + } + if(adapter->hw.phy_type == e1000_phy_m88) { switch (data->reg_num) { case PHY_CTRL: if(mii_reg & MII_CR_POWER_DOWN) @@ -3420,8 +3428,12 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) HALF_DUPLEX; retval = e1000_set_spd_dplx(adapter, spddplx); - if(retval) + if(retval) { + spin_unlock_irqrestore( + &adapter->stats_lock, + flags); return retval; + } } if(netif_running(adapter->netdev)) { e1000_down(adapter); @@ -3431,8 +3443,11 @@ 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)) + if(e1000_phy_reset(&adapter->hw)) { + spin_unlock_irqrestore( + &adapter->stats_lock, flags); return -EIO; + } break; } } else { @@ -3448,6 +3463,7 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) break; } } + spin_unlock_irqrestore(&adapter->stats_lock, flags); break; default: return -EOPNOTSUPP; |