From: dingtianhong <dingtianhong@xxxxxxxxxx>
This patch has been added to the 3.12 stable tree. If you have any
objections, please let us know.
===============
[ Upstream commit fb00bc2e6cd2046282ba4b03f4fe682aee70b2f8 ]
The commit d3ab3ffd1d728d7ee77340e7e7e2c7cfe6a4013e
(bonding: use rlb_client_info->vlan_id instead of ->tag)
remove the rlb_client_info->tag, but occur some issues,
The vlan_get_tag() will return 0 for success and -EINVAL for
error, so the client_info->vlan_id always be set to 0 if the
vlan_get_tag return 0 for success, so the client_info would
never get a correct vlan id.
We should only set the vlan id to 0 when the vlan_get_tag return error.
Fixes: d3ab3ffd1d7 (bonding: use rlb_client_info->vlan_id instead of ->tag)
CC: Ding Tianhong <dingtianhong@xxxxxxxxxx>
CC: Jay Vosburgh <fubar@xxxxxxxxxx>
CC: Andy Gospodarek <andy@xxxxxxxxxxxxx>
Signed-off-by: Ding Tianhong <dingtianhong@xxxxxxxxxx>
Acked-by: Veaceslav Falico <vfalico@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
drivers/net/bonding/bond_alb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index f428ef574372..71adb692e457 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -694,7 +694,7 @@ static struct slave *rlb_choose_channel(struct sk_buff *skb, struct bonding *bon
client_info->ntt = 0;
}
- if (!vlan_get_tag(skb, &client_info->vlan_id))
+ if (vlan_get_tag(skb, &client_info->vlan_id))
client_info->vlan_id = 0;
if (!client_info->assigned) {
--
1.9.2
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