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| author | hayeswang <hayeswang@realtek.com> | 2017-01-26 09:38:33 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-17 06:39:38 +0200 |
| commit | a4877e5564a5306a38657fc25db721a6e558ce98 (patch) | |
| tree | 1c4fefe89f1f2dfbc27a522f131a7f44a3fa3b43 | |
| parent | 10bfb4c76c941fface83bd4695f19ce84510dbe0 (diff) | |
| download | linux-stable-a4877e5564a5306a38657fc25db721a6e558ce98.tar.gz linux-stable-a4877e5564a5306a38657fc25db721a6e558ce98.tar.bz2 linux-stable-a4877e5564a5306a38657fc25db721a6e558ce98.zip | |
r8152: re-schedule napi for tx
[ Upstream commit 248b213ad908b88db15941202ef7cb7eb137c1a0 ]
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 <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/net/usb/r8152.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index fbb1867ff25c..4307ff3772ad 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -1851,6 +1851,9 @@ 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; |