fec: refactor set_multicast_list() to make it more readable

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/fec.c

@@ -1517,7 +1517,9 @@ static void set_multicast_list(struct net_device *dev)
 		tmp = readl(fep->hwp + FEC_R_CNTRL);
 		tmp |= 0x8;
 		writel(tmp, fep->hwp + FEC_R_CNTRL);
-	} else {
+		return;
+	}
+
 	tmp = readl(fep->hwp + FEC_R_CNTRL);
 	tmp &= ~0x8;
 	writel(tmp, fep->hwp + FEC_R_CNTRL);
@@ -1528,7 +1530,10 @@ static void set_multicast_list(struct net_device *dev)
 		 */
 		writel(0xffffffff, fep->hwp + FEC_GRP_HASH_TABLE_HIGH);
 		writel(0xffffffff, fep->hwp + FEC_GRP_HASH_TABLE_LOW);
-		} else {
+
+		return;
+	}
+
 	/* Clear filter and add the addresses in hash register
 	 */
 	writel(0, fep->hwp + FEC_GRP_HASH_TABLE_HIGH);
@@ -1567,8 +1572,6 @@ static void set_multicast_list(struct net_device *dev)
 			writel(tmp, fep->hwp + FEC_GRP_HASH_TABLE_LOW);
 		}
 	}
-		}
-	}
 }
 
 /* Set a MAC change in hardware. */