diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index fcd4eeecfef4201d4e0b205a14fba2f57a1041ed..c28cd9daf94963d20c391c7508560a429f2eff37 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -328,8 +328,8 @@ static int efx_poll(struct napi_struct *napi, int budget)
 		 * since efx_nic_eventq_read_ack() will have no effect if
 		 * interrupts have already been disabled.
 		 */
-		napi_complete_done(napi, spent);
-		efx_nic_eventq_read_ack(channel);
+		if (napi_complete_done(napi, spent))
+			efx_nic_eventq_read_ack(channel);
 	}
 
 	return spent;