lists: add "const" qualifier to first arg of list_splice() operations
Since neither the list_splice() nor __list_splice() routines modify their first argument, might as well declare them "const". [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -328,7 +328,7 @@ static inline int list_is_singular(const struct list_head *head)
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return !list_empty(head) && (head->next == head->prev);
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}
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static inline void __list_splice(struct list_head *list,
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static inline void __list_splice(const struct list_head *list,
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struct list_head *head)
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{
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struct list_head *first = list->next;
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@ -347,7 +347,8 @@ static inline void __list_splice(struct list_head *list,
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* @list: the new list to add.
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* @head: the place to add it in the first list.
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*/
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static inline void list_splice(struct list_head *list, struct list_head *head)
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static inline void list_splice(const struct list_head *list,
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struct list_head *head)
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{
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if (!list_empty(list))
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__list_splice(list, head);
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