diff options
| author | Christof Schmitt <christof.schmitt@de.ibm.com> | 2007-11-05 14:37:47 +0300 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-01-12 03:22:40 +0300 |
| commit | 1de1b43b5f0bb536126e31f07ec833e01969ed1c (patch) | |
| tree | 9908cfa46ab158be6890b2edf1c3b7362243a7f8 /drivers/s390/scsi/zfcp_scsi.c | |
| parent | e39c8877a41e8f70225baeeb74fade8fe3a80d8b (diff) | |
| download | linux-1de1b43b5f0bb536126e31f07ec833e01969ed1c.tar.xz | |
[SCSI] zfcp: Fix deadlock when adding invalid LUN
When adding an invalid LUN, there is a deadlock between the add
via scsi_scan_target and the slave_destroy handler: The handler
waits for the scan to complete, but for an invalid unit,
scsi_scan_target directly calls the slave_destroy handler.
Fix the deadlock by removing the wait in the slave_destroy
handler, it was not necessary anyway.
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/s390/scsi/zfcp_scsi.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_scsi.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index c6b6295395b0..3298fd35000c 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -180,9 +180,6 @@ static void zfcp_scsi_slave_destroy(struct scsi_device *sdpnt) if (unit) { zfcp_erp_wait(unit->port->adapter); - wait_event(unit->scsi_scan_wq, - atomic_test_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, - &unit->status) == 0); atomic_clear_mask(ZFCP_STATUS_UNIT_REGISTERED, &unit->status); sdpnt->hostdata = NULL; unit->device = NULL; |