+ int processing_queue = 0;
+
+ spin_lock_irqsave(&phba->hbalock, drvr_flag);
+ if (!pmbox) {
+ /* processing mbox queue from intr_handler */
+ processing_queue = 1;
+ phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
+ pmbox = lpfc_mbox_get(phba);
+ if (!pmbox) {
+ spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
+ return MBX_SUCCESS;
+ }
+ }