On Fri, Jun 23, 2017 at 03:31:44AM -0700, Joe Perches wrote: > On Fri, 2017-06-23 at 13:15 +0300, Dan Carpenter wrote: > > The copy_to_user() function returns the number of bytes remaining but we > > want to return -EFAULT here. > > because?
Because it's a failure path? regards, dan carpenter