scsi: lpfc: Fix system crash when port is reset.

[karo-tx-linux.git] / drivers / scsi / lpfc / lpfc_hbadisc.c

diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 0482c558033104d3a44f75290750e1acdc3ee0d9..dcc9b38587782a68003bf7562e2f0f8bcf6b296a 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -693,9 +693,9 @@ lpfc_work_done(struct lpfc_hba *phba)
        pring = lpfc_phba_elsring(phba);
        status = (ha_copy & (HA_RXMASK  << (4*LPFC_ELS_RING)));
        status >>= (4*LPFC_ELS_RING);
-       if ((status & HA_RXMASK) ||
-           (pring->flag & LPFC_DEFERRED_RING_EVENT) ||
-           (phba->hba_flag & HBA_SP_QUEUE_EVT)) {
+       if (pring && (status & HA_RXMASK ||
+                     pring->flag & LPFC_DEFERRED_RING_EVENT ||
+                     phba->hba_flag & HBA_SP_QUEUE_EVT)) {
                if (pring->flag & LPFC_STOP_IOCB_EVENT) {
                        pring->flag |= LPFC_DEFERRED_RING_EVENT;
                        /* Set the lpfc data pending flag */