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SubjectRe: [PATCH v7 3/7] drivers/i2c: Add port structure to FSI algorithm
On Wed, 2018-05-30 at 10:47 -0500, Eddie James wrote:
> > > + if (!list_empty(&i2c->ports)) {
> >
> > My gosh, this is done already in list_for_each*()
> No, list_for_each_entry does NOT check if the list is empty or if the
> first entry is NULL.

NULL is never valid for a list. It does however check for an empty list

It does it implicitely in the test part of the for () statement,
checking if the next pointer points back to the head.


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