[PATCH 03/33] nf_conntrack_gre: nf_ct_gre_keymap_flush() fixlet

Alexey Dobriyan
2008-09-08T03:01:31Z

It does "kfree(list_head)" which looks wrong because entity that was
allocated is definitely not list_head.

However, this all works because list_head is first item in
struct nf_ct_gre_keymap .

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>

diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c
index 2752b74..c5a7822 100644
--- a/net/netfilter/nf_conntrack_proto_gre.c
+++ b/net/netfilter/nf_conntrack_proto_gre.c
@@ -45,12 +45,12 @@ static LIST_HEAD(gre_keymap_list);

void nf_ct_gre_keymap_flush(void)
{
- struct list_head *pos, *n;
+ struct nf_ct_gre_keymap *km, *tmp;

write_lock_bh(&nf_ct_gre_lock);
- list_for_each_safe(pos, n, &gre_keymap_list) {
- list_del(pos);
- kfree(pos);
+ list_for_each_entry_safe(km, tmp, &gre_keymap_list, list) {
+ list_del(&km->list);
+ kfree(km);
}
write_unlock_bh(&nf_ct_gre_lock);
}