dm: avoid useless 'else' after 'break' or return'

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>

drivers/md/persistent-data/dm-btree.c

@@ -1352,8 +1352,8 @@ static int find_key(struct ro_spine *s, dm_block_t block, bool find_highest,
 		i = le32_to_cpu(ro_node(s)->header.nr_entries);
 		if (!i)
 			return -ENODATA;
-		else
-			i--;
+
+		i--;
 
 		if (find_highest)
 			*result_key = le64_to_cpu(ro_node(s)->keys[i]);

drivers/md/persistent-data/dm-space-map-common.c

@@ -793,13 +793,12 @@ static int __sm_ll_dec_overflow(struct ll_disk *ll, dm_block_t b,
 	rc = le32_to_cpu(*v_ptr);
 	*old_rc = rc;
 
-	if (rc == 3) {
+	if (rc == 3)
 		return __sm_ll_del_overflow(ll, b, ic);
-	} else {
-		rc--;
-		*v_ptr = cpu_to_le32(rc);
-		return 0;
-	}
+
+	rc--;
+	*v_ptr = cpu_to_le32(rc);
+	return 0;
 }
 
 static int sm_ll_dec_overflow(struct ll_disk *ll, dm_block_t b,