From: hayeswang Date: Thu, 26 Jan 2017 01:38:33 +0000 (+0800) Subject: r8152: re-schedule napi for tx X-Git-Tag: MMI-PSA29.97-13-9~6317^2~9^2~1 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=248b213ad908b88db15941202ef7cb7eb137c1a0;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git r8152: re-schedule napi for tx Re-schedule napi after napi_complete() for tx, if it is necessay. In r8152_poll(), if the tx is completed after tx_bottom() and before napi_complete(), the scheduling of napi would be lost. Then, no one handles the next tx until the next napi_schedule() is called. Signed-off-by: Hayes Wang Signed-off-by: David S. Miller --- diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index ec882be4cfaf..4785d2b9d80f 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -1936,6 +1936,9 @@ static int r8152_poll(struct napi_struct *napi, int budget) napi_complete(napi); if (!list_empty(&tp->rx_done)) napi_schedule(napi); + else if (!skb_queue_empty(&tp->tx_queue) && + !list_empty(&tp->tx_free)) + napi_schedule(napi); } return work_done;