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>

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c
index b52e5d98a3b7..b2722c44337e 100644
--- a/drivers/net/natsemi.c
+++ b/drivers/net/natsemi.c
@@ -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)