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netdev: Remove redundant checks for CAP_NET_ADMIN in MDIO implementations

Browse source 
dev_ioctl() already checks capable(CAP_NET_ADMIN) before calling the
driver's implementation of MDIO ioctls.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings 2009-09-03 10:39:43 +00:00 committed by David S. Miller
parent aae5e7c30f
commit 7ab0f2736b
30 changed files with 1 additions and 92 deletions
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3
drivers/net/amd8111e.c
View file

@ -1524,9 +1524,6 @@ static int amd8111e_ioctl(struct net_device * dev , struct ifreq *ifr, int cmd)
int err;
u32 mii_regval;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
switch(cmd) {
case SIOCGMIIPHY:
data->phy_id = lp->ext_phy_addr;

8
drivers/net/atl1c/atl1c_main.c
View file

@ -534,10 +534,6 @@ static int atl1c_mii_ioctl(struct net_device *netdev,
break;
case SIOCGMIIREG:
if (!capable(CAP_NET_ADMIN)) {
retval = -EPERM;
goto out;
}
if (atl1c_read_phy_reg(&adapter->hw, data->reg_num & 0x1F,
&data->val_out)) {
retval = -EIO;
@ -546,10 +542,6 @@ static int atl1c_mii_ioctl(struct net_device *netdev,
break;
case SIOCSMIIREG:
if (!capable(CAP_NET_ADMIN)) {
retval = -EPERM;
goto out;
}
if (data->reg_num & ~(0x1F)) {
retval = -EFAULT;
goto out;

8
drivers/net/atl1e/atl1e_main.c
View file

@ -453,10 +453,6 @@ static int atl1e_mii_ioctl(struct net_device *netdev,
break;
case SIOCGMIIREG:
if (!capable(CAP_NET_ADMIN)) {
retval = -EPERM;
goto out;
}
if (atl1e_read_phy_reg(&adapter->hw, data->reg_num & 0x1F,
&data->val_out)) {
retval = -EIO;
@ -465,10 +461,6 @@ static int atl1e_mii_ioctl(struct net_device *netdev,
break;
case SIOCSMIIREG:
if (!capable(CAP_NET_ADMIN)) {
retval = -EPERM;
goto out;
}
if (data->reg_num & ~(0x1F)) {
retval = -EFAULT;
goto out;

4
drivers/net/atlx/atl2.c
View file

@ -966,8 +966,6 @@ static int atl2_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
data->phy_id = 0;
break;
case SIOCGMIIREG:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
spin_lock_irqsave(&adapter->stats_lock, flags);
if (atl2_read_phy_reg(&adapter->hw,
data->reg_num & 0x1F, &data->val_out)) {
@ -977,8 +975,6 @@ static int atl2_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
spin_unlock_irqrestore(&adapter->stats_lock, flags);
break;
case SIOCSMIIREG:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
if (data->reg_num & ~(0x1F))
return -EFAULT;
spin_lock_irqsave(&adapter->stats_lock, flags);

3
drivers/net/bnx2.c
View file

@ -7480,9 +7480,6 @@ bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
}
case SIOCSMIIREG:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
return -EOPNOTSUPP;

4
drivers/net/cassini.c
View file

@ -4875,10 +4875,6 @@ static int cas_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
break;
case SIOCSMIIREG: /* Write MII PHY register. */
if (!capable(CAP_NET_ADMIN)) {
rc = -EPERM;
break;
}
spin_lock_irqsave(&cp->lock, flags);
cas_mif_poll(cp, 0);
rc = cas_phy_write(cp, data->reg_num & 0x1f, data->val_in);

4
drivers/net/e1000/e1000_main.c
View file

@ -4714,8 +4714,6 @@ static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
data->phy_id = hw->phy_addr;
break;
case SIOCGMIIREG:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
spin_lock_irqsave(&adapter->stats_lock, flags);
if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
&data->val_out)) {
@ -4725,8 +4723,6 @@ static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
spin_unlock_irqrestore(&adapter->stats_lock, flags);
break;
case SIOCSMIIREG:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
if (data->reg_num & ~(0x1F))
return -EFAULT;
mii_reg = data->val_in;

2
drivers/net/e1000e/netdev.c
View file

@ -4346,8 +4346,6 @@ static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
data->phy_id = adapter->hw.phy.addr;
break;
case SIOCGMIIREG:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
switch (data->reg_num & 0x1F) {
case MII_BMCR:
data->val_out = adapter->phy_regs.bmcr;

2
drivers/net/ibm_newemac/core.c
View file

@ -2225,8 +2225,6 @@ static int emac_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd)
return 0;
case SIOCSMIIREG:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
emac_mdio_write(ndev, dev->phy.address, data[1], data[2]);
return 0;
default:

2
drivers/net/igb/igb_main.c
View file

@ -4914,8 +4914,6 @@ static int igb_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))
return -EPERM;
if (igb_read_phy_reg(&adapter->hw, data->reg_num & 0x1F,
&data->val_out))
return -EIO;

3
drivers/net/mdio.c
View file

@ -380,10 +380,7 @@ int mdio_mii_ioctl(const struct mdio_if_info *mdio,
cmd = SIOCGMIIREG;
break;
case SIOCGMIIREG:
break;
case SIOCSMIIREG:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
break;
default:
return -EOPNOTSUPP;

3
drivers/net/mii.c
View file

@ -433,9 +433,6 @@ int generic_mii_ioctl(struct mii_if_info *mii_if,
case SIOCSMIIREG: {
u16 val = mii_data->val_in;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
if (mii_data->phy_id == mii_if->phy_id) {
switch(mii_data->reg_num) {
case MII_BMCR: {

2
drivers/net/natsemi.c
View file

@ -3075,8 +3075,6 @@ static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
return 0;
case SIOCSMIIREG: /* Write MII PHY register. */
if (!capable(CAP_NET_ADMIN))
return -EPERM;
if (dev->if_port == PORT_TP) {
if ((data->phy_id & 0x1f) == np->phy_addr_external) {
if ((data->reg_num & 0x1f) == MII_ADVERTISE)

5
drivers/net/pci-skeleton.c
View file

@ -1784,11 +1784,6 @@ static int netdrv_ioctl (struct net_device *dev, struct ifreq *rq, int cmd)
break;
case SIOCSMIIREG: /* Write MII PHY register. */
if (!capable (CAP_NET_ADMIN)) {
rc = -EPERM;
break;
}
spin_lock_irqsave (&tp->lock, flags);
mdio_write (dev, data->phy_id & 0x1f, data->reg_num & 0x1f, data->val_in);
spin_unlock_irqrestore (&tp->lock, flags);

2
drivers/net/pcmcia/3c574_cs.c
View file

@ -1124,8 +1124,6 @@ static int el3_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
int saved_window;
unsigned long flags;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
spin_lock_irqsave(&lp->window_lock, flags);
saved_window = inw(ioaddr + EL3_CMD) >> 13;
EL3WINDOW(4);

2
drivers/net/pcmcia/axnet_cs.c
View file

@ -706,8 +706,6 @@ static int axnet_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
data[3] = mdio_read(mii_addr, data[0], data[1] & 0x1f);
return 0;
case SIOCSMIIREG: /* Write MII PHY register. */
if (!capable(CAP_NET_ADMIN))
return -EPERM;
mdio_write(mii_addr, data[0], data[1] & 0x1f, data[2]);
return 0;
}

2
drivers/net/pcmcia/pcnet_cs.c
View file

@ -1204,8 +1204,6 @@ static int ei_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
data[3] = mdio_read(mii_addr, data[0], data[1] & 0x1f);
return 0;
case SIOCSMIIREG: /* Write MII PHY register. */
if (!capable(CAP_NET_ADMIN))
return -EPERM;
mdio_write(mii_addr, data[0], data[1] & 0x1f, data[2]);
return 0;
}

2
drivers/net/pcmcia/xirc2ps_cs.c
View file

@ -1575,8 +1575,6 @@ do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
data[3] = mii_rd(ioaddr, data[0] & 0x1f, data[1] & 0x1f);
break;
case SIOCSMIIREG: /* Write the specified MII register */
if (!capable(CAP_NET_ADMIN))
return -EPERM;
mii_wr(ioaddr, data[0] & 0x1f, data[1] & 0x1f, data[2], 16);
break;
default:

3
drivers/net/phy/phy.c
View file

@ -324,9 +324,6 @@ int phy_mii_ioctl(struct phy_device *phydev,
break;
case SIOCSMIIREG:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
if (mii_data->phy_id == phydev->addr) {
switch(mii_data->reg_num) {
case MII_BMCR:

2
drivers/net/r8169.c
View file

@ -1991,8 +1991,6 @@ static int rtl_xmii_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *dat
return 0;
case SIOCSMIIREG:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
mdio_write(tp->mmio_addr, data->reg_num & 0x1f, data->val_in);
return 0;
}

2
drivers/net/sis900.c
View file

@ -2128,8 +2128,6 @@ static int mii_ioctl(struct net_device *net_dev, struct ifreq *rq, int cmd)
return 0;
case SIOCSMIIREG: /* Write MII PHY register. */
if (!capable(CAP_NET_ADMIN))
return -EPERM;
mdio_write(net_dev, data->phy_id & 0x1f, data->reg_num & 0x1f, data->val_in);
return 0;
default:

3
drivers/net/skge.c
View file

@ -2496,9 +2496,6 @@ static int skge_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
}
case SIOCSMIIREG:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
spin_lock_bh(&hw->phy_lock);
if (hw->chip_id == CHIP_ID_GENESIS)
err = xm_phy_write(hw, skge->port, data->reg_num & 0x1f,

3
drivers/net/sky2.c
View file

@ -1214,9 +1214,6 @@ static int sky2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
}
case SIOCSMIIREG:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
spin_lock_bh(&sky2->phy_lock);
err = gm_phy_write(hw, sky2->port, data->reg_num & 0x1f,
data->val_in);

4
drivers/net/sungem.c
View file

@ -2852,9 +2852,7 @@ static int gem_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
break;
case SIOCSMIIREG: /* Write MII PHY register. */
if (!capable(CAP_NET_ADMIN))
rc = -EPERM;
else if (!gp->running)
if (!gp->running)
rc = -EAGAIN;
else {
__phy_write(gp, data->phy_id & 0x1f, data->reg_num & 0x1f,

3
drivers/net/tg3.c
View file

@ -10610,9 +10610,6 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
break; /* We have no PHY */
if (!capable(CAP_NET_ADMIN))
return -EPERM;
if (tp->link_config.phy_is_low_power)
return -EAGAIN;

2
drivers/net/tlan.c
View file

@ -1004,8 +1004,6 @@ static int TLan_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
case SIOCSMIIREG: /* Write MII PHY register. */
if (!capable(CAP_NET_ADMIN))
return -EPERM;
TLan_MiiWriteReg(dev, data->phy_id & 0x1f,
data->reg_num & 0x1f, data->val_in);
return 0;

2
drivers/net/tulip/tulip_core.c
View file

@ -923,8 +923,6 @@ static int private_ioctl (struct net_device *dev, struct ifreq *rq, int cmd)
return 0;
case SIOCSMIIREG: /* Write MII PHY register. */
if (!capable (CAP_NET_ADMIN))
return -EPERM;
if (regnum & ~0x1f)
return -EINVAL;
if (data->phy_id == phy) {

2
drivers/net/tulip/winbond-840.c
View file

@ -1470,8 +1470,6 @@ static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
return 0;
case SIOCSMIIREG: /* Write MII PHY register. */
if (!capable(CAP_NET_ADMIN))
return -EPERM;
spin_lock_irq(&np->lock);
mdio_write(dev, data->phy_id & 0x1f, data->reg_num & 0x1f, data->val_in);
spin_unlock_irq(&np->lock);

4
drivers/net/via-velocity.c
View file

@ -2328,14 +2328,10 @@ static int velocity_mii_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd
miidata->phy_id = readb(&regs->MIIADR) & 0x1f;
break;
case SIOCGMIIREG:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
if (velocity_mii_read(vptr->mac_regs, miidata->reg_num & 0x1f, &(miidata->val_out)) < 0)
return -ETIMEDOUT;
break;
case SIOCSMIIREG:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
spin_lock_irqsave(&vptr->lock, flags);
err = velocity_mii_write(vptr->mac_regs, miidata->reg_num & 0x1f, miidata->val_in);
spin_unlock_irqrestore(&vptr->lock, flags);

2
drivers/net/yellowfin.c
View file

@ -1365,8 +1365,6 @@ static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
return 0;
case SIOCSMIIREG: /* Write MII PHY register. */
if (!capable(CAP_NET_ADMIN))
return -EPERM;
if (data->phy_id == np->phys[0]) {
u16 value = data->val_in;
switch (data->reg_num) {