[IPV6]: Fix memory management error during setting up new advapi sockopts.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 922549581abc266100d6a3a28676665dd509f858..748577b76d75a93b1f105a70faeaedffdc8a3f01 100644 (file)
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -628,6 +628,7 @@ ipv6_renew_options(struct sock *sk, struct ipv6_txoptions *opt,
        if (!tot_len)
                return NULL;
 
+       tot_len += sizeof(*opt2);
        opt2 = sock_kmalloc(sk, tot_len, GFP_ATOMIC);
        if (!opt2)
                return ERR_PTR(-ENOBUFS);
@@ -668,7 +669,7 @@ ipv6_renew_options(struct sock *sk, struct ipv6_txoptions *opt,
 
        return opt2;
 out:
-       sock_kfree_s(sk, p, tot_len);
+       sock_kfree_s(sk, opt2, opt2->tot_len);
        return ERR_PTR(err);
 }