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[SCSI] lpfc 8.3.45: Fixed crash during driver unload.

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Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
James Smart 2014-02-20 09:57:57 -05:00 committed by James Bottomley
parent e10b2022f9
commit 06918ac566
3 changed files with 28 additions and 9 deletions
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18
drivers/scsi/lpfc/lpfc_els.c
View File

@ -6223,11 +6223,11 @@ lpfc_els_timeout(unsigned long ptr)
spin_lock_irqsave(&vport->work_port_lock, iflag);
tmo_posted = vport->work_port_events & WORKER_ELS_TMO;
if (!tmo_posted)
if ((!tmo_posted) && (!(vport->load_flag & FC_UNLOADING)))
vport->work_port_events |= WORKER_ELS_TMO;
spin_unlock_irqrestore(&vport->work_port_lock, iflag);
if (!tmo_posted)
if ((!tmo_posted) && (!(vport->load_flag & FC_UNLOADING)))
lpfc_worker_wake_up(phba);
return;
}
@ -6259,10 +6259,19 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport)
timeout = (uint32_t)(phba->fc_ratov << 1);
pring = &phba->sli.ring[LPFC_ELS_RING];
if ((phba->pport->load_flag & FC_UNLOADING))
return;
spin_lock_irq(&phba->hbalock);
if (phba->sli_rev == LPFC_SLI_REV4)
spin_lock(&pring->ring_lock);
if ((phba->pport->load_flag & FC_UNLOADING)) {
if (phba->sli_rev == LPFC_SLI_REV4)
spin_unlock(&pring->ring_lock);
spin_unlock_irq(&phba->hbalock);
return;
}
list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) {
cmd = &piocb->iocb;
@ -6319,8 +6328,9 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport)
}
if (!list_empty(&phba->sli.ring[LPFC_ELS_RING].txcmplq))
mod_timer(&vport->els_tmofunc,
jiffies + msecs_to_jiffies(1000 * timeout));
if (!(phba->pport->load_flag & FC_UNLOADING))
mod_timer(&vport->els_tmofunc,
jiffies + msecs_to_jiffies(1000 * timeout));
}
/**

9
drivers/scsi/lpfc/lpfc_init.c
View File

@ -1006,9 +1006,14 @@ lpfc_rrq_timeout(unsigned long ptr)
phba = (struct lpfc_hba *)ptr;
spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
phba->hba_flag |= HBA_RRQ_ACTIVE;
if (!(phba->pport->load_flag & FC_UNLOADING))
phba->hba_flag |= HBA_RRQ_ACTIVE;
else
phba->hba_flag &= ~HBA_RRQ_ACTIVE;
spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
lpfc_worker_wake_up(phba);
if (!(phba->pport->load_flag & FC_UNLOADING))
lpfc_worker_wake_up(phba);
}
/**

10
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -678,7 +678,8 @@ lpfc_handle_rrq_active(struct lpfc_hba *phba)
next_time = rrq->rrq_stop_time;
}
spin_unlock_irqrestore(&phba->hbalock, iflags);
if (!list_empty(&phba->active_rrq_list))
if ((!list_empty(&phba->active_rrq_list)) &&
(!(phba->pport->load_flag & FC_UNLOADING)))
mod_timer(&phba->rrq_tmr, next_time);
list_for_each_entry_safe(rrq, nextrrq, &send_rrq, list) {
list_del(&rrq->list);
@ -792,7 +793,9 @@ lpfc_cleanup_wt_rrqs(struct lpfc_hba *phba)
list_del(&rrq->list);
lpfc_clr_rrq_active(phba, rrq->xritag, rrq);
}
if (!list_empty(&phba->active_rrq_list))
if ((!list_empty(&phba->active_rrq_list)) &&
(!(phba->pport->load_flag & FC_UNLOADING)))
mod_timer(&phba->rrq_tmr, next_time);
}
@ -1323,7 +1326,8 @@ lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
if ((unlikely(pring->ringno == LPFC_ELS_RING)) &&
(piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) &&
(piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) {
(piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN) &&
(!(piocb->vport->load_flag & FC_UNLOADING))) {
if (!piocb->vport)
BUG();
else