Commit 3fbc9bb6 authored Jul 21, 2020 by Shannon Nelson Committed by David S. Miller Jul 21, 2020

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 <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 4471b1c1

drivers/net/ethernet/pensando/ionic/ionic_lif.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;