tree f6f79b946215a63030b6929a85e764358e9f3c9e
parent 34f03e306c36487a3720ae96b8ed5fbaa5256b5f
author Prarit Bhargava <prarit@redhat.com> 1507829733 -0400
committer Andi Kleen <ak@linux.intel.com> 1507840940 -0700

mcelog: Add --help option.

The mcelog man page states "See mcelog --help for a list of valid CPUs.".
This command returns 1 because --help is not a valid option.

Separate the exit(1) from the usage() function and add a --help option.

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>