e1000e: Cleanup return values in ethtool

Changing occurrences of returning 0 and 1 from bool functions to false and
true, respectively

Signed-off-by: Dave Ertman <davidx.m.ertman@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/e1000e/ethtool.c

@@ -783,10 +783,10 @@ static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
 			      reg + (offset << 2), val,
 			      (test[pat] & write & mask));
 			*data = reg;
-			return 1;
+			return true;
 		}
 	}
-	return 0;
+	return false;
 }
 
 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
@@ -799,9 +799,9 @@ static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
 		e_err("set/check test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
 		      reg, (val & mask), (write & mask));
 		*data = reg;
-		return 1;
+		return true;
 	}
-	return 0;
+	return false;
 }
 
 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write)                       \

drivers/net/ethernet/intel/e1000e/netdev.c

@@ -5170,7 +5170,7 @@ static bool e1000_tx_csum(struct e1000_ring *tx_ring, struct sk_buff *skb)
 	__be16 protocol;
 
 	if (skb->ip_summed != CHECKSUM_PARTIAL)
-		return 0;
+		return false;
 
 	if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
 		protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
@@ -5215,7 +5215,7 @@ static bool e1000_tx_csum(struct e1000_ring *tx_ring, struct sk_buff *skb)
 		i = 0;
 	tx_ring->next_to_use = i;
 
-	return 1;
+	return true;
 }
 
 static int e1000_tx_map(struct e1000_ring *tx_ring, struct sk_buff *skb,