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. Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html