1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c
index 5936de71883f..6fc93834da44 100644
--- a/drivers/md/dm-cache-metadata.c
+++ b/drivers/md/dm-cache-metadata.c
@@ -930,6 +930,10 @@ static int blocks_are_clean_separate_dirty(struct dm_cache_metadata *cmd,
         bool dirty_flag;
         *result = true;
 
+        if (from_cblock(cmd->cache_blocks) == 0)
+                /* Nothing to do */
+                return 0;
+
         r = dm_bitset_cursor_begin(&cmd->dirty_info, cmd->dirty_root,
                                    from_cblock(cmd->cache_blocks), &cmd->dirty_cursor);
         if (r) {