diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_fsf.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_fsf.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 908e8b2..17c251c 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -3593,6 +3593,12 @@ zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *adapter, goto failed_req_create; } + if (unlikely(!atomic_test_mask(ZFCP_STATUS_COMMON_UNBLOCKED, + &unit->status))) { + retval = -EBUSY; + goto unit_blocked; + } + zfcp_unit_get(unit); fsf_req->unit = unit; @@ -3733,6 +3739,7 @@ zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *adapter, send_failed: no_fit: failed_scsi_cmnd: + unit_blocked: zfcp_unit_put(unit); zfcp_fsf_req_free(fsf_req); fsf_req = NULL; |