diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 5d6c874c44e7..61745f590916 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -1204,6 +1204,20 @@ lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) psli = &phba->sli; + /* + * If freeing the queues have already started, don't access them. + * Otherwise set FREE_WAIT to indicate that queues are being used + * to hold the freeing process until we finish. + */ + spin_lock_irq(&phba->hbalock); + if (!(psli->sli_flag & LPFC_QUEUE_FREE_INIT)) { + psli->sli_flag |= LPFC_QUEUE_FREE_WAIT; + } else { + spin_unlock_irq(&phba->hbalock); + goto skip_wait; + } + spin_unlock_irq(&phba->hbalock); + /* Wait a little for things to settle down, but not * long enough for dev loss timeout to expire. */ @@ -1225,6 +1239,11 @@ lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) } } out: + spin_lock_irq(&phba->hbalock); + psli->sli_flag &= ~LPFC_QUEUE_FREE_WAIT; + spin_unlock_irq(&phba->hbalock); + +skip_wait: init_completion(&online_compl); rc = lpfc_workq_post_event(phba, &status, &online_compl, type); if (rc == 0) |