[PATCH] net: dm9000: Correctly handle empty FIFO

[Tom Rini]

On Mon, Apr 25, 2022 at 08:28:05PM +0200, Marek Vasut wrote:

> Assign packet pointer only in case the MAC reports anything in the FIFO.
> In case the MAC indicates empty FIFO, return 0 to pass that information
> to the network stack.
> 
> Signed-off-by: Marek Vasut <marex at denx.de>
> Cc: Joe Hershberger <joe.hershberger at ni.com>
> Cc: Ramon Fried <rfried.dev at gmail.com>
> Reviewed-by: Ramon Fried <rfried.dev at gmail.com>

Applied to u-boot/master, thanks!

-- 
Tom
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