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[VLAN]: Fix SET_VLAN_INGRESS_PRIORITY_CMD ioctl 

Based on report and patch by Doug Kehn <rdkehn@yahoo.com>:

vconfig returns the following error when attempting to execute the
set_ingress_map command:

vconfig: socket or ioctl error for set_ingress_map: Operation not permitted

In vlan.c, vlan_ioctl_handler for SET_VLAN_INGRESS_PRIORITY_CMD
sets err = -EPERM and calls vlan_dev_set_ingress_priority.
vlan_dev_set_ingress_priority is a void function so err remains
at -EPERM and results in the vconfig error (even though the ingress
map was set).

Fix by setting err = 0 after the vlan_dev_set_ingress_priority call.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2007-11-07 01:31:32 -08:00 committed by David S. Miller
parent 45a19b0a72
commit fffe470a80
1 changed files with 1 additions and 0 deletions
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net/8021q/vlan.c
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@ -747,6 +747,7 @@ static int vlan_ioctl_handler(struct net *net, void __user *arg)
vlan_dev_set_ingress_priority(dev,
args.u.skb_priority,
args.vlan_qos);
err = 0;
break;
case SET_VLAN_EGRESS_PRIORITY_CMD: