After kthread creation during probe sequence, a handful of other
failures could occur. If this were to happen, the kthread is never
explicitly deleted which results in a resource leak. Add explicit cleanup
of this resource.
Signed-off-by: Brandon Brnich <b-brnich@ti.com> Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>