fix the comment of radix_tree_next_slot():
interator --> iterator.

Signed-off-by: Hui Su <sh_...@163.com>
---
 include/linux/radix-tree.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index c2a9f7c90727..03591b18215f 100644
--- a/include/linux/radix-tree.h
+++ b/include/linux/radix-tree.h
@@ -376,7 +376,7 @@ radix_tree_chunk_size(struct radix_tree_iter *iter)
  * radix_tree_next_slot - find next slot in chunk
  *
  * @slot:      pointer to current slot
- * @iter:      pointer to interator state
+ * @iter:      pointer to iterator state
  * @flags:     RADIX_TREE_ITER_*, should be constant
  * Returns:    pointer to next slot, or NULL if there no more left
  *
-- 
2.25.1


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