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authorVasu Dev <[email protected]>2010-03-23 14:42:05 +0000
committerDavid S. Miller <[email protected]>2010-03-24 11:11:38 -0700
commitf6b9f4b263f3178fc0f23f0e67d04386528cc727 (patch)
tree6f749e6baeaf910ff53a9dfa0075dfbd5c856ddd
parent669d3e0babb40018dd6e78f4093c13a2eac73866 (diff)
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<[email protected]> 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 <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]> Signed-off-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
-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);