From 3494b1fa1fb8949e573b5f918c4e86a845ee9573 Mon Sep 17 00:00:00 2001 From: Shannon Nelson Date: Tue, 21 Jul 2020 13:34:07 -0700 Subject: [PATCH] ionic: update eid test for overflow Fix up our comparison to better handle a potential (but largely unlikely) wrap around. Signed-off-by: Shannon Nelson Signed-off-by: David S. Miller --- drivers/net/ethernet/pensando/ionic/ionic_lif.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index bbfa25cd3294f..db60c5405a581 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -719,7 +719,7 @@ static bool ionic_notifyq_service(struct ionic_cq *cq, eid = le64_to_cpu(comp->event.eid); /* Have we run out of new completions to process? */ - if (eid <= lif->last_eid) + if ((s64)(eid - lif->last_eid) <= 0) return false; lif->last_eid = eid; -- 2.39.5