netdev - [PATCH 001/001] vlan: don't call ndo_vlan_rx_register on hardware that doesn't have vlan support

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-next>] [day] [month] [year] [list]

Message-ID: <BANLkTimBm8rFF41RzAN6vk3o6SLy6cfZDQ@mail.gmail.com>
Date:	Thu, 16 Jun 2011 16:47:13 -0400
From:	Antoine Reversat <a.reversat@...il.com>
To:	netdev@...r.kernel.org
Subject: [PATCH 001/001] vlan: don't call ndo_vlan_rx_register on hardware
 that doesn't have vlan support

This patch removes the call to ndo_vlan_rx_register if the underlying
device doesn't have hardware support for VLAN.
Signed-off-by: Antoine Reversat <a.reversat@...il.com>
---
--- linux-2.6.39/net/8021q/vlan.c	2011-05-19 00:06:34.000000000 -0400
+++ linux-2.6.39-fixed/net/8021q/vlan.c	2011-06-16 16:39:25.933742004 -0400
@@ -211,7 +211,7 @@ int register_vlan_dev(struct net_device
 	grp->nr_vlans++;

 	if (ngrp) {
-		if (ops->ndo_vlan_rx_register)
+		if (ops->ndo_vlan_rx_register && (real_dev->features & NETIF_F_HW_VLAN_RX))
 			ops->ndo_vlan_rx_register(real_dev, ngrp);
 		rcu_assign_pointer(real_dev->vlgrp, ngrp);
 	}
--
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