commit 1814e31332384ae44b9ed55f0393faacfa52f02a
Author: Patrick McHardy <[EMAIL PROTECTED]>
Date: Sun Apr 6 23:46:45 2008 -0700
VLAN: Don't copy ALLMULTI/PROMISC flags from underlying device
Upstream commit: 0ed21b321a13421e2dfeaa70a6c324e05e3e91e6
Changing these flags requires to use dev_set_allmulti/dev_set_promiscuity
or dev_change_flags. Setting it directly causes two unwanted effects:
- the next dev_change_flags call will notice a difference between
dev->gflags and the actual flags, enable promisc/allmulti
mode and incorrectly update dev->gflags
- this keeps the underlying device in promisc/allmulti mode until
the VLAN device is deleted
[ Ported back to 2.6.24 VLAN code. -DaveM ]
Signed-off-by: Patrick McHardy <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
Signed-off-by: Chris Wright <[EMAIL PROTECTED]>
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 032bf44..156ad38 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -326,7 +326,7 @@ static int vlan_dev_init(struct net_device *dev)
int subclass = 0;
/* IFF_BROADCAST|IFF_MULTICAST; ??? */
- dev->flags = real_dev->flags & ~IFF_UP;
+ dev->flags = real_dev->flags & ~(IFF_UP | IFF_PROMISC | IFF_ALLMULTI);
dev->iflink = real_dev->ifindex;
dev->state = (real_dev->state & ((1<<__LINK_STATE_NOCARRIER) |
(1<<__LINK_STATE_DORMANT))) |
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