Don't submit the rx if the device is unplugged, linking down,
or stopped.
Signed-off-by: Hayes Wang <hayeswang@xxxxxxxxxxx>
---
drivers/net/usb/r8152.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 59b70c5..b39b2e4 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -1789,6 +1789,11 @@ int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags)
{
int ret;
+ /* The rx would be stopped, so skip submitting */
+ if (test_bit(RTL8152_UNPLUG, &tp->flags) ||
+ !test_bit(WORK_ENABLE, &tp->flags) || !(tp->speed & LINK_STATUS))
+ return 0;
+
usb_fill_bulk_urb(agg->urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1),
agg->head, agg_buf_sz,
(usb_complete_t)read_bulk_callback, agg);
--
2.1.0
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