diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/s390/block/dasd_eckd.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 72d3970f11a..8095629bc49 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -1501,12 +1501,27 @@ static void dasd_eckd_handle_unsolicited_interrupt(struct dasd_device *device, return; } - /* just report other unsolicited interrupts */ - DEV_MESSAGE(KERN_DEBUG, device, "%s", - "unsolicited interrupt received"); - device->discipline->dump_sense(device, NULL, irb); - dasd_schedule_device_bh(device); + if ((irb->scsw.cmd.cc == 1) && + (irb->scsw.cmd.fctl & SCSW_FCTL_START_FUNC) && + (irb->scsw.cmd.actl & SCSW_ACTL_START_PEND) && + (irb->scsw.cmd.stctl & SCSW_STCTL_STATUS_PEND)) { + /* fake irb do nothing, they are handled elsewhere */ + dasd_schedule_device_bh(device); + return; + } + if (!(irb->esw.esw0.erw.cons)) { + /* just report other unsolicited interrupts */ + DEV_MESSAGE(KERN_ERR, device, "%s", + "unsolicited interrupt received"); + } else { + DEV_MESSAGE(KERN_ERR, device, "%s", + "unsolicited interrupt received " + "(sense available)"); + device->discipline->dump_sense(device, NULL, irb); + } + + dasd_schedule_device_bh(device); return; }; |