e1000: Fix NAPI state bug when Rx complete
Don't exit polling when we have not yet used our budget, this causes
the NAPI system to end up with a messed up poll list.
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index cf39473..4f37506 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -3942,7 +3942,7 @@
&work_done, budget);
/* If no Tx and not enough Rx work done, exit the polling mode */
- if ((!tx_cleaned && (work_done < budget)) ||
+ if ((!tx_cleaned && (work_done == 0)) ||
!netif_running(poll_dev)) {
quit_polling:
if (likely(adapter->itr_setting & 3))