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bridge: refactor fdb_notify
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Move fdb_notify outside of fdb_create. This fixes the problem
that notification of local entries are not flagged correctly.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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stephen hemminger authored and David S. Miller committed Dec 9, 2011
1 parent f33f1fc commit f58ee4e
Showing 1 changed file with 7 additions and 4 deletions.
11 changes: 7 additions & 4 deletions net/bridge/br_fdb.c
Original file line number Diff line number Diff line change
Expand Up @@ -347,7 +347,6 @@ static struct net_bridge_fdb_entry *fdb_create(struct hlist_head *head,
fdb->is_static = 0;
fdb->updated = fdb->used = jiffies;
hlist_add_head_rcu(&fdb->hlist, head);
fdb_notify(fdb, RTM_NEWNEIGH);
}
return fdb;
}
Expand Down Expand Up @@ -379,6 +378,7 @@ static int fdb_insert(struct net_bridge *br, struct net_bridge_port *source,
return -ENOMEM;

fdb->is_local = fdb->is_static = 1;
fdb_notify(fdb, RTM_NEWNEIGH);
return 0;
}

Expand Down Expand Up @@ -424,9 +424,11 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
}
} else {
spin_lock(&br->hash_lock);
if (likely(!fdb_find(head, addr)))
fdb_create(head, source, addr);

if (likely(!fdb_find(head, addr))) {
fdb = fdb_create(head, source, addr);
if (fdb)
fdb_notify(fdb, RTM_NEWNEIGH);
}
/* else we lose race and someone else inserts
* it first, don't bother updating
*/
Expand Down Expand Up @@ -572,6 +574,7 @@ static int fdb_add_entry(struct net_bridge_port *source, const __u8 *addr,
fdb = fdb_create(head, source, addr);
if (!fdb)
return -ENOMEM;
fdb_notify(fdb, RTM_NEWNEIGH);
} else {
if (flags & NLM_F_EXCL)
return -EEXIST;
Expand Down

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