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authorVasu Dev <vasu.dev@intel.com>2010-03-23 15:42:05 +0100
committerDavid S. Miller <davem@davemloft.net>2010-03-24 19:11:38 +0100
commitf6b9f4b263f3178fc0f23f0e67d04386528cc727 (patch)
tree6f749e6baeaf910ff53a9dfa0075dfbd5c856ddd /net/8021q
parentvlan: adds vlan_dev_select_queue (diff)
downloadlinux-f6b9f4b263f3178fc0f23f0e67d04386528cc727.tar.xz
linux-f6b9f4b263f3178fc0f23f0e67d04386528cc727.zip
vlan: updates vlan real_num_tx_queues
Updates real_num_tx_queues in case underlying real device has changed real_num_tx_queues. -v2 As per Eric Dumazet<eric.dumazet@gmail.com> comment:- -- adds BUG_ON to catch case of real_num_tx_queues exceeding num_tx_queues. -- created this self contained patch to just update real_num_tx_queues. Signed-off-by: Vasu Dev <vasu.dev@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/8021q')
-rw-r--r--net/8021q/vlan.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 453512266ea1..db783d7af5a3 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -378,6 +378,8 @@ static void vlan_transfer_features(struct net_device *dev,
#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
vlandev->fcoe_ddp_xid = dev->fcoe_ddp_xid;
#endif
+ vlandev->real_num_tx_queues = dev->real_num_tx_queues;
+ BUG_ON(vlandev->real_num_tx_queues > vlandev->num_tx_queues);
if (old_features != vlandev->features)
netdev_features_change(vlandev);