[SCSI] qla4xxx: Fix CPU lockups when ql4xdontresethba set

Fix issue where CPU lockup is seen when ql4xdontresethba is set and
driver is "stuck" in NEED_RESET state handler.

Signed-off-by: Mike Hernandez <michael.hernandez@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

drivers/scsi/qla4xxx/ql4_nx.c

@@ -1836,6 +1836,10 @@ int qla4_8xxx_device_state_handler(struct scsi_qla_host *ha)
  * reset handler */
  dev_init_timeout = jiffies +
  (ha->nx_dev_init_timeout * HZ);
+ } else {
+ qla4_8xxx_idc_unlock(ha);
+ msleep(1000);
+ qla4_8xxx_idc_lock(ha);
  }
  qla4_8xxx_idc_unlock(ha);
  break;