From: Anton Vorontsov <avoront...@ru.mvista.com>
Date: Mon, 18 Jan 2010 18:47:50 +0300
> From: Jiajun Wu <b06...@freescale.com>
>
> commit 7583605b6d29f1f7f6fc505b883328089f3485ad ("ucc_geth: Fix empty
> TX queue processing") fixed empty TX queue mishandling, but didn't
> account another corner case: when TX queue becomes full.
>
> Without this patch the driver will stop transmiting when TX queue
> becomes full since 'bd == ugeth->txBd[txQ]' actually checks for
> two things: queue empty or full.
>
> Let's better check for NULL skb, which unambiguously signals an empty
> queue.
>
> Signed-off-by: Jiajun Wu <b06...@freescale.com>
> Signed-off-by: Anton Vorontsov <avoront...@ru.mvista.com>
Applied.
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