This is not an expected case normally. Add WARN_ON_ONCE in case of CQE read overflow, instead of failing silently. Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx> --- v2: Add this warning suggested by Dexuan Cui <decui@xxxxxxxxxxxxx> --- drivers/net/ethernet/microsoft/mana/gdma_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/microsoft/mana/gdma_main.c b/drivers/net/ethernet/microsoft/mana/gdma_main.c index 798099d64202..cee75b561f59 100644 --- a/drivers/net/ethernet/microsoft/mana/gdma_main.c +++ b/drivers/net/ethernet/microsoft/mana/gdma_main.c @@ -1093,7 +1093,7 @@ static int mana_gd_read_cqe(struct gdma_queue *cq, struct gdma_comp *comp) new_bits = (cq->head / num_cqe) & GDMA_CQE_OWNER_MASK; /* Return -1 if overflow detected. */ - if (owner_bits != new_bits) + if (WARN_ON_ONCE(owner_bits != new_bits)) return -1; comp->wq_num = cqe->cqe_info.wq_num; -- 2.25.1
