net: remove unneeded break

A break is not needed if it is preceded by a return or goto
Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20201019172607.31622-1-trix@redhat.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/aquantia/atlantic/aq_nic.c

@@ -1163,7 +1163,6 @@ int aq_nic_set_link_ksettings(struct aq_nic_s *self,
 		default:
 			err = -1;
 			goto err_exit;
-		break;
 		}
 		if (!(self->aq_nic_cfg.aq_hw_caps->link_speed_msk & rate)) {
 			err = -1;

drivers/net/ethernet/cisco/enic/enic_ethtool.c

@@ -434,7 +434,6 @@ static int enic_grxclsrule(struct enic *enic, struct ethtool_rxnfc *cmd)
 		break;
 	default:
 		return -EINVAL;
-		break;
 	}
 
 	fsp->h_u.tcp_ip4_spec.ip4src = flow_get_u32_src(&n->keys);

drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c

@@ -350,7 +350,6 @@ static s32 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
 		if (ixgbe_read_eerd_generic(hw, pointer, &length)) {
 			hw_dbg(hw, "EEPROM read failed\n");
 			return IXGBE_ERR_EEPROM;
-			break;
 		}
 
 		/* Skip pointer section if length is invalid. */

drivers/net/wan/lmc/lmc_proto.c

@@ -89,17 +89,13 @@ __be16 lmc_proto_type(lmc_softc_t *sc, struct sk_buff *skb) /*FOLD00*/
     switch(sc->if_type){
     case LMC_PPP:
 	    return hdlc_type_trans(skb, sc->lmc_device);
-	    break;
     case LMC_NET:
         return htons(ETH_P_802_2);
-        break;
     case LMC_RAW: /* Packet type for skbuff kind of useless */
         return htons(ETH_P_802_2);
-        break;
     default:
         printk(KERN_WARNING "%s: No protocol set for this interface, assuming 802.2 (which is wrong!!)\n", sc->name);
         return htons(ETH_P_802_2);
-        break;
     }
 }