netdev: Remove redundant checks for CAP_NET_ADMIN in MDIO implementations

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>

2 files changed, 0 insertions, 4 deletions

diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c
index b89b73c0b30b..6b2330e4206e 100644
--- a/drivers/net/tulip/tulip_core.c
+++ b/drivers/net/tulip/tulip_core.c
@@ -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) {
diff --git a/drivers/net/tulip/winbond-840.c b/drivers/net/tulip/winbond-840.c
index 3e59397e5386..b38d3b7f6e35 100644
--- a/drivers/net/tulip/winbond-840.c
+++ b/drivers/net/tulip/winbond-840.c
@@ -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);