From: Hayes Wang <hayeswang@xxxxxxxxxxx>
Date: Fri, 19 Dec 2014 16:56:00 +0800
> Don't submit the rx if the device is unplugged, linking down,
> or stopped.
...
> @@ -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;
> +
I think netif_carrier_off() should always be true in all three of those
situations, and would be a much simpler test than what you've coded
here.
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