[Intel-wired-lan] [igb] netconsole triggers warning in netpoll_poll_dev

[Jakub Kicinski]

On Wed, 7 Apr 2021 08:00:53 +0200 Oleksandr Natalenko wrote:
> Thanks for the effort, but reportedly [1] it made no difference,
> unfortunately.
> 
> [1] https://bugzilla.kernel.org/show_bug.cgi?id=212573#c8

The only other option I see is that somehow the NAPI has no rings.

diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index a45cd2b416c8..24568adc2fb1 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -7980,7 +7980,7 @@ static int igb_poll(struct napi_struct *napi, int budget)
        struct igb_q_vector *q_vector = container_of(napi,
                                                     struct igb_q_vector,
                                                     napi);
-       bool clean_complete = true;
+       bool clean_complete = q_vector->tx.ring || q_vector->rx.ring;
        int work_done = 0;
 
 #ifdef CONFIG_IGB_DCA