X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;ds=sidebyside;f=kernel%2Fdrivers%2Fnet%2Fethernet%2Fintel%2Fe1000e%2Fnetdev.c;fp=kernel%2Fdrivers%2Fnet%2Fethernet%2Fintel%2Fe1000e%2Fnetdev.c;h=80ec587d510efeeeb758d8566db3cfbe9ec2acb1;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=0a854a47d31a77ef0723231dd75e3aceddc5d6b0;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

diff --git a/kernel/drivers/net/ethernet/intel/e1000e/netdev.c b/kernel/drivers/net/ethernet/intel/e1000e/netdev.c
index 0a854a47d..80ec587d5 100644
--- a/kernel/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/kernel/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -1959,8 +1959,10 @@ static irqreturn_t e1000_intr_msix_rx(int __always_unused irq, void *data)
 	 * previous interrupt.
 	 */
 	if (rx_ring->set_itr) {
-		writel(1000000000 / (rx_ring->itr_val * 256),
-		       rx_ring->itr_register);
+		u32 itr = rx_ring->itr_val ?
+			  1000000000 / (rx_ring->itr_val * 256) : 0;
+
+		writel(itr, rx_ring->itr_register);
 		rx_ring->set_itr = 0;
 	}