<blockquote>
<p>cc2420 is affected. cc2420_fifo_write() calls spi_transfer_regs().</p>
</blockquote>
<p>According to the driver <code>pkt_len</code> is always at least 2 bytes long, so whenever the netdev layer is used there will be no calls to <code>spi_transfer_regs()</code> of length=0. Am I missing something maybe?</p>

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