Re: [PATCH] add safe version of list_for_each_entry() to list.h

[Kevin Corry <corryk@us.ibm.com>]

On Friday 04 October 2002 08:58, Christoph Hellwig wrote:
> > +/**
> > + * list_member - tests whether a list member is currently on a list
> > + * @member:	member to evaulate
> > + */
> > +static inline int list_member(struct list_head *member)
> > +{
> > +	return ((!member->next || !member->prev) ? 0 : 1);
>
> Wouldn't return (member->next && member->prev); be simpler?

Sure. New patch below with new list_member() function.

> > + */
> > +#define list_for_each_entry_safe(pos, n, head, member)			\
> > +	for (pos = list_entry((head)->next, typeof(*pos), member),	\
> > +		n = list_entry(pos->member.next, typeof(*pos), member);	\
> > +	     &pos->member != (head);					\
> > +	     pos = n,							\
> > +		n = list_entry(pos->member.next, typeof(*pos), member))
>
> Identation looks a little strange..

Perhaps. But there are plenty of places in list.h that have some strange
indenting. If you'd like it another way, please post a patch with your
preferred version.

-- 
Kevin Corry
corryk@us.ibm.com
http://evms.sourceforge.net/