Repository : ssh://git@open-mesh.org/batman-adv
On branch : next
>---------------------------------------------------------------
commit d781a70df220815765328b35173d078b8226405e
Author: Linus Lüssing <linus.luessing(a)web.de>
Date: Sat Jul 27 03:24:44 2013 +0200
batman-adv: check return type of unicast packet preparations
batadv_unicast(_4addr)_prepare_skb might reallocate the skb's data.
And if it tries to do so then this can potentially fail.
We shouldn't continue working on this skb in such a case.
Signed-off-by: Linus Lüssing <linus.luessing(a)web.de>
Signed-off-by: Marek Lindner <lindner_marek(a)yahoo.de>
Acked-by: Antonio Quartulli <ordex(a)autistici.org>
>---------------------------------------------------------------
d781a70df220815765328b35173d078b8226405e
unicast.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/unicast.c b/unicast.c
index dc8b5d4..4c5a1aa 100644
--- a/unicast.c
+++ b/unicast.c
@@ -428,11 +428,13 @@ find_router:
switch (packet_type) {
case BATADV_UNICAST:
- batadv_unicast_prepare_skb(skb, orig_node);
+ if (!batadv_unicast_prepare_skb(skb, orig_node))
+ goto out;
break;
case BATADV_UNICAST_4ADDR:
- batadv_unicast_4addr_prepare_skb(bat_priv, skb, orig_node,
- packet_subtype);
+ if (!batadv_unicast_4addr_prepare_skb(bat_priv, skb, orig_node,
+ packet_subtype))
+ goto out;
break;
default:
/* this function supports UNICAST and UNICAST_4ADDR only. It
