netdev - Re: [patch] rtl8102e: commit 7bf6bf480 zeroized MAC address

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Wed, 15 Oct 2008 14:31:57 +0200
From:	Ivan Vecera <ivecera@...hat.com>
To:	netdev@...r.kernel.org
CC:	c4p7n@...itanio.org, Francois Romieu <romieu@...zoreil.com>,
	kernel@...r.kernel.org
Subject: Re: [patch] rtl8102e: commit 7bf6bf480 zeroized MAC address

c4p7n@...itanio.org wrote:
> Tested on top of linus tree and back ported 2.6.27.
> 
> Please cc me, thanks
> Martin Capitanio
> 
I think this one is more common.

Ivan

=====
Subject: [PATCH] [r8169] initialize MAC address found in EEPROM only if is it valid

Signed-off-by: Ivan Vecera <ivecera@...hat.com>
---
 drivers/net/r8169.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index c821da2..587a96c 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -1975,8 +1975,9 @@ static void rtl_init_mac_address(struct rtl8169_private *tp,
 
 	dprintk("MAC address found in EEPROM: %s\n", print_mac(buf, mac));
 
-	/* Write MAC address */
-	rtl_rar_set(tp, mac);
+	/* Write MAC address if is it valid */
+	if (is_valid_ether_addr(mac))
+		rtl_rar_set(tp, mac);
 }
 
 static int __devinit
-- 
1.5.6.3
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html