The address and the VLAN VID may not be packed in the respective
structs. Fix this by comparing the elements individually.
Reported-by: Marek Lindner lindner_ma...@yahoo.de
Reported-by: Sven Eckelmann s...@narfation.org
Signed-off-by: Simon Wunderlich s...@hrz.tu-chemnitz.de
---
bridge_loop_avoidance.c | 18 --
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/bridge_loop_avoidance.c b/bridge_loop_avoidance.c
index 758d921..a617f2c 100644
--- a/bridge_loop_avoidance.c
+++ b/bridge_loop_avoidance.c
@@ -77,8 +77,15 @@ static int batadv_compare_backbone_gw(const struct
hlist_node *node,
{
const void *data1 = container_of(node, struct batadv_backbone_gw,
hash_entry);
+ const struct batadv_backbone_gw *gw1 = data1, *gw2 = data2;
- return (memcmp(data1, data2, ETH_ALEN + sizeof(short)) == 0 ? 1 : 0);
+ if (memcmp(gw1-orig, gw2-orig, ETH_ALEN))
+ return 0;
+
+ if (gw1-vid != gw2-vid)
+ return 0;
+
+ return 1;
}
/* compares address and vid of two claims */
@@ -87,8 +94,15 @@ static int batadv_compare_claim(const struct hlist_node
*node,
{
const void *data1 = container_of(node, struct batadv_claim,
hash_entry);
+ const struct batadv_claim *cl1 = data1, *cl2 = data2;
- return (memcmp(data1, data2, ETH_ALEN + sizeof(short)) == 0 ? 1 : 0);
+ if (memcmp(cl1-addr, cl2-addr, ETH_ALEN))
+ return 0;
+
+ if (cl1-vid != cl2-vid)
+ return 0;
+
+ return 1;
}
/* free a backbone gw */
--
1.7.10