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

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index a6198e9..624fe0b 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -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));
 }
 
 /**

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index f622c88..635eeb3 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -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);
 }
 
 /**

diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 38e56d9..db2100d 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -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