On Fri, Jan 28, 2022 at 03:45:40PM +0100, David Hildenbrand wrote:
If register_memory() fails, we freed the memory block but already added the memory block to the group list, not good. Let's defer adding the block to the memory group to after registering the memory block device.
We do handle it properly during unregister_memory(), but that's not called when the registration fails.
Fixes: 028fc57a1c36 ("drivers/base/memory: introduce "memory groups" to logically group memory blocks") Cc: stable@vger.kernel.org # v5.15+ Cc: Greg Kroah-Hartman gregkh@linuxfoundation.org Cc: "Rafael J. Wysocki" rafael@kernel.org Cc: Andrew Morton akpm@linux-foundation.org Cc: Michal Hocko mhocko@suse.com Cc: Oscar Salvador osalvador@suse.de Signed-off-by: David Hildenbrand david@redhat.com
Reviewed-by: Oscar Salvador osalvador@suse.de