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authorAlexey Dobriyan <adobriyan@gmail.com>2008-09-07 18:20:36 -0700
committerDavid S. Miller <davem@davemloft.net>2008-09-07 18:20:36 -0700
commit51807e91a76a531d059ec7ce3395c435e4df52a8 (patch)
treea2d88b7df0e16e627c8771b072decdc9e1c43c33 /net
parentnetfilter: nf_conntrack_gre: more locking around keymap list (diff)
downloadlinux-dev-51807e91a76a531d059ec7ce3395c435e4df52a8.tar.xz
linux-dev-51807e91a76a531d059ec7ce3395c435e4df52a8.zip
netfilter: nf_conntrack_gre: nf_ct_gre_keymap_flush() fixlet
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> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/netfilter/nf_conntrack_proto_gre.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c
index b308bb4c12b9..9bd03967fea4 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);
}