diff options
| author | Ingo Molnar <mingo@elte.hu> | 2010-11-26 15:03:27 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-11-26 15:05:21 +0100 |
| commit | 22a867d81707b0a2720bb5f65255265b95d30526 (patch) | |
| tree | 7ec19b155b50b13ae95244c2bfa16aea4920c4f6 /drivers/s390/cio/device.c | |
| parent | 5bb6b1ea67a73f0665a41726dd7138977b992c6c (diff) | |
| parent | 3561d43fd289f590fdae672e5eb831b8d5cf0bf6 (diff) | |
| download | lwn-22a867d81707b0a2720bb5f65255265b95d30526.tar.gz lwn-22a867d81707b0a2720bb5f65255265b95d30526.zip | |
Merge commit 'v2.6.37-rc3' into sched/core
Merge reason: Pick up latest fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/s390/cio/device.c')
| -rw-r--r-- | drivers/s390/cio/device.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 2ff8a22d4257..e8391b89eff4 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1455,7 +1455,16 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process) break; case IO_SCH_UNREG_ATTACH: case IO_SCH_UNREG: - if (cdev) + if (!cdev) + break; + if (cdev->private->state == DEV_STATE_SENSE_ID) { + /* + * Note: delayed work triggered by this event + * and repeated calls to sch_event are synchronized + * by the above check for work_pending(cdev). + */ + dev_fsm_event(cdev, DEV_EVENT_NOTOPER); + } else ccw_device_set_notoper(cdev); break; case IO_SCH_NOP: |