r8169: enable napi on resume.

NAPI is disabled during suspend and needs to be enabled on resume. Without
this the driver locks up during resume in rtl_reset_work() trying to disable
NAPI again.

Signed-off-by: Artem Savkov <artem.savkov@gmail.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 7b23554f80b6..f54509377efa 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -5810,7 +5810,10 @@ static void __rtl8169_resume(struct net_device *dev)
 
         rtl_pll_power_up(tp);
 
+        rtl_lock_work(tp);
+        napi_enable(&tp->napi);
         set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
+        rtl_unlock_work(tp);
 
         rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
 }