@@ -605,7 +605,11 @@ bnad_cq_process(struct bnad *bnad, struct bna_ccb *ccb, int budget)
cq = ccb->sw_q;
cmpl = &cq[ccb->producer_index];
- while (cmpl->valid && (packets < budget)) {
+ while (packets < budget) {
+ if (!cmpl->valid)
+ break;
+ rmb();
+
BNA_UPDATE_PKT_CNT(pkt_rt, ntohs(cmpl->length));
if (bna_is_small_rxq(cmpl->rxq_id))
@@ -645,6 +649,7 @@ bnad_cq_process(struct bnad *bnad, struct bna_ccb *ccb, int budget)
if (!next_cmpl->valid)
break;
+ mb();
len = ntohs(next_cmpl->length);
flags = ntohl(next_cmpl->flags);
Valid bit check for completion needs read fence so that it does not get reordered with other loads. Signed-off-by: Rasesh Mody <rmody@brocade.com> --- drivers/net/ethernet/brocade/bna/bnad.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)