batman-adv: unset the TT_CLIENT_PENDING flag if the new local entry already exists

When trying to add a new tt_local_entry, if such entry already exists, we have
to ensure that the TT_CLIENT_PENDING flag is not set, otherwise the entry will
be deleted soon.

Reported-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index b3fb597c79b5..a66c2dcd1088 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -206,6 +206,8 @@ void tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
 
         if (tt_local_entry) {
                 tt_local_entry->last_seen = jiffies;
+                /* possibly unset the TT_CLIENT_PENDING flag */
+                tt_local_entry->common.flags &= ~TT_CLIENT_PENDING;
                 goto out;
         }