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| author | Simon Wunderlich <simon.wunderlich@s2003.tu-chemnitz.de> | 2011-10-19 11:02:25 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-26 09:08:39 -0800 |
| commit | 7766f4ed0b29204dc9248dea3bc547a8c93d18cb (patch) | |
| tree | 37604d959014d421d7e2aee6e4467101012c45af | |
| parent | 02460fcf18a10059eb52a223cc62d7d9b43ac3c0 (diff) | |
| download | lwn-7766f4ed0b29204dc9248dea3bc547a8c93d18cb.tar.gz lwn-7766f4ed0b29204dc9248dea3bc547a8c93d18cb.zip | |
batman-adv: remove references for global tt entries
commit 531027fcddbcf81c9937dd04f08a7e8f11fd47d2 upstream.
struct tt_global_entry holds a reference to an orig_node which must be
decremented before deallocating the structure.
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Tested-by: Alexey Fisher <bug-track@fisher-privat.net>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | net/batman-adv/translation-table.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index ef1acfd7653c..ca537ed2dd0a 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -137,10 +137,22 @@ static void tt_local_entry_free_ref(struct tt_local_entry *tt_local_entry) kfree_rcu(tt_local_entry, rcu); } +static void tt_global_entry_free_rcu(struct rcu_head *rcu) +{ + struct tt_global_entry *tt_global_entry; + + tt_global_entry = container_of(rcu, struct tt_global_entry, rcu); + + if (tt_global_entry->orig_node) + orig_node_free_ref(tt_global_entry->orig_node); + + kfree(tt_global_entry); +} + static void tt_global_entry_free_ref(struct tt_global_entry *tt_global_entry) { if (atomic_dec_and_test(&tt_global_entry->refcount)) - kfree_rcu(tt_global_entry, rcu); + call_rcu(&tt_global_entry->rcu, tt_global_entry_free_rcu); } static void tt_local_event(struct bat_priv *bat_priv, const uint8_t *addr, |