[sis900] Avoid unused variable warning in gcc 4.6
Reported-by: Ralph Giles <giles@thaumas.net> Tested-by: Ralph Giles <giles@thaumas.net> Signed-off-by: Michael Brown <mcb30@ipxe.org>
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@ -1183,11 +1183,10 @@ static int
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sis900_poll(struct nic *nic, int retrieve)
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{
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u32 rx_status = rxd[cur_rx].cmdsts;
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u32 intr_status;
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int retstat = 0;
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/* acknowledge interrupts by reading interrupt status register */
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intr_status = inl(ioaddr + isr);
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inl(ioaddr + isr);
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if (sis900_debug > 2)
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printf("sis900_poll: cur_rx:%d, status:%X\n", cur_rx,
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