[PATCH trivial] list/hashtable: minor documentation corrections.

[NeilBrown]

hash_for_each_safe() and hash_for_each_possible_safe()
need to be passed a temp 'struct hlist_node' pointer, but
do not say that in the documentation - they just say
a 'struct'.

Also the documentation for hlist_for_each_entry_safe()
describes @n as "another" hlist_node, but in reality it is
the only one.

Signed-off-by: NeilBrown <neilb@xxxxxxxx>
---
 include/linux/hashtable.h | 4 ++--
 include/linux/list.h      | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/hashtable.h b/include/linux/hashtable.h
index 417d2c4bc60d..78b6ea5fa8ba 100644
--- a/include/linux/hashtable.h
+++ b/include/linux/hashtable.h
@@ -145,7 +145,7 @@ static inline void hash_del_rcu(struct hlist_node *node)
  * hash entry
  * @name: hashtable to iterate
  * @bkt: integer to use as bucket loop cursor
- * @tmp: a &struct used for temporary storage
+ * @tmp: a &struct hlist_node used for temporary storage
  * @obj: the type * to use as a loop cursor for each entry
  * @member: the name of the hlist_node within the struct
  */
@@ -197,7 +197,7 @@ static inline void hash_del_rcu(struct hlist_node *node)
  * same bucket safe against removals
  * @name: hashtable to iterate
  * @obj: the type * to use as a loop cursor for each entry
- * @tmp: a &struct used for temporary storage
+ * @tmp: a &struct hlist_node used for temporary storage
  * @member: the name of the hlist_node within the struct
  * @key: the key of the objects to iterate over
  */
diff --git a/include/linux/list.h b/include/linux/list.h
index 79626b5ab36c..894da1962f89 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -842,7 +842,7 @@ static inline void hlist_move_list(struct hlist_head *old,
 /**
  * hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry
  * @pos:	the type * to use as a loop cursor.
- * @n:		another &struct hlist_node to use as temporary storage
+ * @n:		a &struct hlist_node to use as temporary storage
  * @head:	the head for your list.
  * @member:	the name of the hlist_node within the struct.
  */
-- 
2.14.0.rc0.dirty

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