netfilter: ct_extend: fix the wrong alloc_size

In function update_alloc_size(), sizeof(struct nf_ct_ext) is added twice
wrongly.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>

1 files changed, 2 insertions, 3 deletions

diff --git a/net/netfilter/nf_conntrack_extend.c b/net/netfilter/nf_conntrack_extend.c
index bd82450c193f..920f9244388b 100644
--- a/net/netfilter/nf_conntrack_extend.c
+++ b/net/netfilter/nf_conntrack_extend.c
@@ -144,9 +144,8 @@ static void update_alloc_size(struct nf_ct_ext_type *type)
                 if (!t1)
                         continue;
 
-                t1->alloc_size = sizeof(struct nf_ct_ext)
-                                 + ALIGN(sizeof(struct nf_ct_ext), t1->align)
-                                 + t1->len;
+                t1->alloc_size = ALIGN(sizeof(struct nf_ct_ext), t1->align) +
+                                 t1->len;
                 for (j = 0; j < NF_CT_EXT_NUM; j++) {
                         t2 = nf_ct_ext_types[j];
                         if (t2 == NULL || t2 == t1 ||