e1000: remove unnecessary break after return

Signed-off-by: Fabian Frederick <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/ethernet/intel/e1000/e1000_ethtool.c

···
 	case e1000_82547:
 	case e1000_82547_rev_2:
 		return e1000_integrated_phy_loopback(adapter);
-		break;
 	default:
 		/* Default PHY loopback work is to read the MII
 		 * control register and assert bit 14 (loopback mode).
···
 		phy_reg |= MII_CR_LOOPBACK;
 		e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
 		return 0;
-		break;
 	}
 
 	return 8;
···
 		case e1000_82545_rev_3:
 		case e1000_82546_rev_3:
 			return e1000_set_phy_loopback(adapter);
-			break;
 		default:
 			rctl = er32(RCTL);
 			rctl |= E1000_RCTL_LBM_TCVR;

drivers/net/ethernet/intel/e1000/e1000_hw.c

···
 	default:
 		e_dbg("Flow control param set incorrectly\n");
 		return -E1000_ERR_CONFIG;
-		break;
 	}
 
 	/* Since auto-negotiation is enabled, take the link out of reset (the
···
 			break;
 		default:
 			return -E1000_ERR_PHY;
-			break;
 		}
 	} else if (hw->phy_type == e1000_phy_igp) {	/* For IGP PHY */
 		u16 cur_agc_value;