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batman-adv: fix bla compare function

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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_marek@yahoo.de>
Reported-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
This commit is contained in:
Simon Wunderlich 2012-10-15 22:38:04 +02:00 committed by Antonio Quartulli
parent 981d890029
commit c76d15253a
1 changed files with 16 additions and 2 deletions
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18
net/batman-adv/bridge_loop_avoidance.c
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@ -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 (!batadv_compare_eth(gw1->orig, gw2->orig))
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 (!batadv_compare_eth(cl1->addr, cl2->addr))
return 0;
if (cl1->vid != cl2->vid)
return 0;
return 1;
}
/* free a backbone gw */