Fix call trace from create_trace_option_files in kernel/trace/trace.c
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2155737
Backport a missing patch from an earlier backport series to fix a call trace (BZ 2129758 backported commit 6621a7004684 but was missing the preceeding patch ef9188bcc6ca).
Signed-off-by: Thomas Huth thuth@redhat.com