From 1c8594b48b00a98d12477355e944e165a5f64cd5 Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Thu, 21 Apr 2005 17:12:46 -0700
Subject: [PATCH] [TG3]: Fix bug in tg3_set_eeprom()
Fix a bug in tg3_set_eeprom() when the length is less than 4 and the
offset is not 4-byte aligned.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/tg3.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 301546425736..fb3eb6f8a737 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -6560,10 +6560,12 @@ static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
start = cpu_to_le32(start);
len += b_offset;
offset &= ~3;
+ if (len < 4)
+ len = 4;
}
odd_len = 0;
- if ((len & 3) && ((len > 4) || (b_offset == 0))) {
+ if (len & 3) {
/* adjustments to end on required 4 byte boundary */
odd_len = 1;
len = (len + 3) & ~3;
--
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