Certain older adapters such as the OneConnect OCe10100 may not have a valid wqpcnt
value. In this case, do not set queue->page_count to 0 in lpfc_sli4_queue_alloc()
as this will prevent the driver from initializing.
Fixes: 895427bd01 ("scsi: lpfc: NVME Initiator: Base modifications")
Cc: stable@xxxxxxxxxxxxxxx # 4.11+
Signed-off-by: Ewan D. Milne <emilne@xxxxxxxxxx>
---
drivers/scsi/lpfc/lpfc_sli.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index b9e5cd7..462ed4a 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -14501,7 +14501,8 @@ lpfc_sli4_queue_alloc(struct lpfc_hba *phba, uint32_t page_size,
hw_page_size))/hw_page_size;
/* If needed, Adjust page count to match the max the adapter supports */
- if (queue->page_count > phba->sli4_hba.pc_sli4_params.wqpcnt)
+ if (phba->sli4_hba.pc_sli4_params.wqpcnt &&
+ (queue->page_count > phba->sli4_hba.pc_sli4_params.wqpcnt))
queue->page_count = phba->sli4_hba.pc_sli4_params.wqpcnt;
INIT_LIST_HEAD(&queue->list);
--
2.1.0
