tree 9a717bcda9657c2e46943d852631e0a53fe3e45a
parent 64e90a8acb8590c2468c919f803652f081e3a4bf
author Konstantin Khlebnikov <khlebnikov@yandex-team.ru> 1486553335 +0300
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1486738946 +0100

kernfs: handle null pointers while printing node name and path

Null kernfs nodes could be found at cgroups during construction.
It seems safer to handle these null pointers right in kernfs in
the same way as printf prints "(null)" for null pointer string.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>