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[2/2,net-next] batman-adv: fix global TT entry deletion

Message ID 1340693391-16434-3-git-send-email-ordex@autistici.org
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Antonio Quartulli June 26, 2012, 6:49 a.m. UTC
During the last merge involving translation-table.c something went wrong and two
lines disappeared from translation-table.c. This patch recovers them.

Signed-off-by: Antonio Quartulli <ordex@autistici.org>
---
 net/batman-adv/translation-table.c |    2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index e4f27a8..c673b58 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -149,6 +149,8 @@  static void batadv_tt_orig_list_entry_free_rcu(struct rcu_head *rcu)
 static void
 batadv_tt_orig_list_entry_free_ref(struct tt_orig_list_entry *orig_entry)
 {
+	/* to avoid race conditions, immediately decrease the tt counter */
+	atomic_dec(&orig_entry->orig_node->tt_size);
 	call_rcu(&orig_entry->rcu, batadv_tt_orig_list_entry_free_rcu);
 }