get_device(shost->shost_gendev.parent) is called after host state is changed to SHOST_RUNNING. So scsi_host_dev_release() shouldn't release the parent device if host state is still SHOST_CREATED. Cc: Bart Van Assche <bvanassche@xxxxxxx> Cc: John Garry <john.garry@xxxxxxxxxx> Cc: Hannes Reinecke <hare@xxxxxxx> Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx> --- drivers/scsi/hosts.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index 7049844adb6b..34db5be7a562 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -350,7 +350,7 @@ static void scsi_host_dev_release(struct device *dev) ida_simple_remove(&host_index_ida, shost->host_no); - if (parent) + if (shost->shost_state != SHOST_CREATED) put_device(parent); kfree(shost); } -- 2.29.2