soundwire: (cosmetic) remove multiple superfluous "else" statements

No need for an "else" after a "return" statement. Remove multiple such
occurrences in bus.c.
Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Link: https://lore.kernel.org/r/20200508003046.23162-2-guennadi.liakhovetski@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/soundwire/bus.c

@@ -284,9 +284,10 @@ int sdw_fill_msg(struct sdw_msg *msg, struct sdw_slave *slave,
 	msg->flags = flags;
 	msg->buf = buf;
 
-	if (addr < SDW_REG_NO_PAGE) { /* no paging area */
+	if (addr < SDW_REG_NO_PAGE) /* no paging area */
 		return 0;
-	} else if (addr >= SDW_REG_MAX) { /* illegal addr */
+
+	if (addr >= SDW_REG_MAX) { /* illegal addr */
 		pr_err("SDW: Invalid address %x passed\n", addr);
 		return -EINVAL;
 	}
@@ -306,7 +307,9 @@ int sdw_fill_msg(struct sdw_msg *msg, struct sdw_slave *slave,
 	if (!slave) {
 		pr_err("SDW: No slave for paging addr\n");
 		return -EINVAL;
-	} else if (!slave->prop.paging_support) {
+	}
+
+	if (!slave->prop.paging_support) {
 		dev_err(&slave->dev,
 			"address %x needs paging but no support\n", addr);
 		return -EINVAL;
@@ -375,8 +378,8 @@ sdw_bread_no_pm(struct sdw_bus *bus, u16 dev_num, u32 addr)
 	ret = sdw_transfer(bus, &msg);
 	if (ret < 0)
 		return ret;
-	else
-		return buf;
+
+	return buf;
 }
 
 static int
@@ -471,8 +474,8 @@ int sdw_read(struct sdw_slave *slave, u32 addr)
 	ret = sdw_nread(slave, addr, 1, &buf);
 	if (ret < 0)
 		return ret;
-	else
-		return buf;
+
+	return buf;
 }
 EXPORT_SYMBOL(sdw_read);