On Wed, 2016-10-26 at 12:52 +0200, Thomas Gleixner wrote: > On Thu, 20 Oct 2016, Tim Chen wrote: > > > > > > + if (itmt_sysctl_header) > > + unregister_sysctl_table(itmt_sysctl_header); > What sets itmt_sysctl_header to NULL? >
If the registration of the itmt sysctl table has failed, it will be NULL.