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, 4 deletions

diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c
index 7517dc1da650..05916aafa4f1 100644
--- a/drivers/net/cassini.c
+++ b/drivers/net/cassini.c
@@ -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);