On Fri, Nov 25, 2016 at 06:02:45PM +0200, Laurent Pinchart wrote: > Sakari Ailus (CC'ed) has expressed the opinion that we might want to go one > step further and treat error pointers the same way we treat NULL or ZERO > pointers today, by just returning without logging anything. The reasoning is > that accepting a NULL pointer in kfree() was decided before we made extensive > use of allocation APIs returning error pointers, so it could be time to update > kfree() based on the current allocation usage patterns. Just don't free things that haven't been allocated. That honestly seems like a simple rule to me, whenever I touch error handling code it feels better and simpler after I fix the bugs. Error handling doesn't have to be complicated if you just follow the rules. regards, dan carpenter -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html