Man page 9 : hlist_for_each_entry_safe

hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry

hlist_for_each_entry_safe( pos , n , head , member );

pos
    the type * to use as a loop cursor.

n
    another struct hlist_node to use as temporary storage

head
    the head for your list.

member
    the name of the hlist_node within the struct.