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| author | Antonio Quartulli <ordex@autistici.org> | 2011-10-16 18:53:37 +0200 |
|---|---|---|
| committer | Marek Lindner <lindner_marek@yahoo.de> | 2011-10-18 22:45:03 +0200 |
| commit | 31901264511cf20c5ed33b8649a3ca9ce28df60b (patch) | |
| tree | b9266cc068a6386d6c443c57888a82bf82710b5e /net | |
| parent | 8b267b312df9343fea3bd679c509b36214b5a854 (diff) | |
| download | linux-stable-31901264511cf20c5ed33b8649a3ca9ce28df60b.tar.gz linux-stable-31901264511cf20c5ed33b8649a3ca9ce28df60b.tar.bz2 linux-stable-31901264511cf20c5ed33b8649a3ca9ce28df60b.zip | |
batman-adv: fix tt_local_reset_flags() function
Currently the counter of tt_local_entry structures (tt_local_num) is incremented
each time the tt_local_reset_flags() is invoked causing the node to send wrong
TT_REPONSE packets containing a copy of non-initialised memory thus corrupting
other nodes global translation table and making higher level communication
impossible.
Reported-by: Junkeun Song <jun361@gmail.com>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Acked-by: Junkeun Song <jun361@gmail.com>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Diffstat (limited to 'net')
| -rw-r--r-- | net/batman-adv/translation-table.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index fb6931d00cd7..f599db9dbec1 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -1668,6 +1668,8 @@ static void tt_local_reset_flags(struct bat_priv *bat_priv, uint16_t flags) rcu_read_lock(); hlist_for_each_entry_rcu(tt_local_entry, node, head, hash_entry) { + if (!(tt_local_entry->flags & flags)) + continue; tt_local_entry->flags &= ~flags; atomic_inc(&bat_priv->num_local_tt); } |