On Thu, Apr 8, 2010 at 11:28 AM, Onkar Mahajan <kern.devel@xxxxxxxxx> wrote:
> I am not able to understand how the marked like skips the node n :
>
> static inline void __hlist_del(struct hlist_node *n)
> {
> struct hlist_node *next = n->next;
> struct hlist_node **pprev = n->pprev;
> *pprev = next; <--------------------------------------------------- ????
> if (next)
> next->pprev = pprev;
> }
>
> in this case
>
> static inline void __list_del(struct list_head * prev, struct list_head *
> next)
> {
> next->prev = prev;
> prev->next = next;
> }
>
> It is clear ...
Why is not clear in the first case. It is doing exactly the same
thing. Except the fact the in list_head both the fields prev and next
are pointers while in hlist next is pointer but prev is pointer to
pointer.
NO ?
Thanks -
Manish
>
>
> Please help.
>
> Regards,
> Onkar
>
>
--
Thanks -
Manish
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