From 7f2903c6231ac024199383aa35e36b2a213436e7 Mon Sep 17 00:00:00 2001
From: Michael Brown <mcb30@ipxe.org>
Date: Wed, 16 Mar 2011 19:51:02 +0000
Subject: [PATCH] [eepro] Avoid unused variable warning in gcc 4.6

From a cursory examination, it appears as though the calculation of
tx_available is redundant, since eepro_transmit() waits for transmit
completion before returning anyway.

Reported-by: Ralph Giles <giles@thaumas.net>
Tested-by: Ralph Giles <giles@thaumas.net>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
---
 src/drivers/net/eepro.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/drivers/net/eepro.c b/src/drivers/net/eepro.c
index 704d11a9..909482bc 100644
--- a/src/drivers/net/eepro.c
+++ b/src/drivers/net/eepro.c
@@ -422,6 +422,7 @@ static void eepro_transmit(
 		tx_available = tx_start - tx_end;
 	else
 		tx_available = XMT_RAM;
+	assert ( length <= tx_available );
 	last = tx_end;
 	end = last + (((length + 3) >> 1) << 1) + XMT_HEADER;
 	if (end >= (XMT_UPPER_LIMIT << 8)) {