diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 69401bfac76e0dfb7a7b5ab506afe47ea095331e..551ae1cd3c43fd3c86ca1055c742015249031617 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -1806,7 +1806,7 @@ int dm_pool_inc_data_range(struct dm_pool_metadata *pmd, dm_block_t b, dm_block_
 
 int dm_pool_dec_data_range(struct dm_pool_metadata *pmd, dm_block_t b, dm_block_t e)
 {
-	int r = -EINVAL;
+	int r = 0;
 
 	pmd_write_lock(pmd);
 	if (!pmd->fail_io) {