tracefs/eventfs: Add missing lockdown checks

All the eventfs external functions do not check if TRACEFS_LOCKDOWN was
set or not. This can caused some functions to return success while others
fail, which can trigger unexpected errors.

Add the missing lockdown checks.

Link: https://lkml.kernel.org/r/[email protected]
Link: https://lore.kernel.org/all/[email protected]/

Cc: Masami Hiramatsu <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Ajay Kaher <[email protected]>
Cc: Ching-lin Yu <[email protected]>
Reported-by: kernel test robot <[email protected]>
Signed-off-by: Steven Rostedt (Google) <[email protected]>

0 files changed, 0 insertions, 0 deletions