diff options
Diffstat (limited to 'drivers/net/ethernet/intel/igb/igb_main.c')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 4331ea71b86e..453ae1d9e5f3 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -7752,11 +7752,13 @@ static int igb_poll(struct napi_struct *napi, int budget) if (!clean_complete) return budget; - /* If not enough Rx work done, exit the polling mode */ - napi_complete_done(napi, work_done); - igb_ring_irq_enable(q_vector); + /* Exit the polling mode, but don't re-enable interrupts if stack might + * poll us due to busy-polling + */ + if (likely(napi_complete_done(napi, work_done))) + igb_ring_irq_enable(q_vector); - return 0; + return min(work_done, budget - 1); } /** |