[SCSI] tgt: fix sesnse buffer problems

[linux-2.6-omap-h63xx.git] / drivers / scsi / lpfc / lpfc_sli.c

diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index a4128e19338af4e74e843cfcc1588c74eadde0fe..9fb6960a8adaca023b7faad67187f5c378c50e00 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -2104,6 +2104,10 @@ lpfc_sli_issue_mbox(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmbox, uint32_t flag)
        volatile uint32_t word0, ldata;
        void __iomem *to_slim;
 
+       /* If the PCI channel is in offline state, do not post mbox. */
+       if (unlikely(pci_channel_offline(phba->pcidev)))
+               return MBX_NOT_FINISHED;
+
        psli = &phba->sli;
 
        spin_lock_irqsave(phba->host->host_lock, drvr_flag);
@@ -2407,6 +2411,10 @@ lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
        struct lpfc_iocbq *nextiocb;
        IOCB_t *iocb;
 
+       /* If the PCI channel is in offline state, do not post iocbs. */
+       if (unlikely(pci_channel_offline(phba->pcidev)))
+               return IOCB_ERROR;
+
        /*
         * We should never get an IOCB if we are in a < LINK_DOWN state
         */
@@ -3154,6 +3162,10 @@ lpfc_intr_handler(int irq, void *dev_id)
        if (unlikely(!phba))
                return IRQ_NONE;
 
+       /* If the pci channel is offline, ignore all the interrupts. */
+       if (unlikely(pci_channel_offline(phba->pcidev)))
+               return IRQ_NONE;
+
        phba->sli.slistat.sli_intr++;
 
        /*