tree e8a059c5a7d85ab61d918725aae3c5c487762fe2
parent 45a0dac0451136fa7ae34a6fea53ef6a136287ce
author Dan Williams <dan.j.williams@intel.com> 1463587993 -0700
committer Dan Williams <dan.j.williams@intel.com> 1463587993 -0700

libnvdimm: stop requiring a driver ->remove() method

The dax_pmem driver was implementing an empty ->remove() method to
satisfy the nvdimm bus driver that unconditionally calls ->remove().
Teach the core bus driver to check if ->remove() is NULL to remove that
requirement.

Reported-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>