None of the call sites cares about the actual return code. Change the
return type to boolean and return 'true' on success.
Suggested-by: NAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Signed-off-by: NBorislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210908132525.736773588@linutronix.de