Instances of kfree(shost) should be replaced with scsi_host_put().
In addition, a missing scsi_host_put() is added for error path in
hisi_sas_shost_alloc_pci() and v3 driver removal.
Signed-off-by: Pan Bian <bianpan2016@163.com> # For main.c changes Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>