From: Venkat Yekkirala Date: Thu, 5 Oct 2006 20:42:35 +0000 (-0500) Subject: IPsec: fix handling of errors for socket policies X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=3bccfbc7a7ba4085817deae6e7c67daf0cbd045a;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git IPsec: fix handling of errors for socket policies This treats the security errors encountered in the case of socket policy matching, the same as how these are treated in the case of main/sub policies, which is to return a full lookup failure. Signed-off-by: Venkat Yekkirala Signed-off-by: James Morris --- diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 695761ff1321..7736b23c3f03 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -1016,12 +1016,16 @@ static struct xfrm_policy *xfrm_sk_policy_lookup(struct sock *sk, int dir, struc sk->sk_family); int err = 0; - if (match) - err = security_xfrm_policy_lookup(pol, fl->secid, policy_to_flow_dir(dir)); - - if (match && !err) - xfrm_pol_hold(pol); - else + if (match) { + err = security_xfrm_policy_lookup(pol, fl->secid, + policy_to_flow_dir(dir)); + if (!err) + xfrm_pol_hold(pol); + else if (err == -ESRCH) + pol = NULL; + else + pol = ERR_PTR(err); + } else pol = NULL; } read_unlock_bh(&xfrm_policy_lock); @@ -1313,8 +1317,11 @@ restart: pol_dead = 0; xfrm_nr = 0; - if (sk && sk->sk_policy[1]) + if (sk && sk->sk_policy[1]) { policy = xfrm_sk_policy_lookup(sk, XFRM_POLICY_OUT, fl); + if (IS_ERR(policy)) + return PTR_ERR(policy); + } if (!policy) { /* To accelerate a bit... */ @@ -1607,8 +1614,11 @@ int __xfrm_policy_check(struct sock *sk, int dir, struct sk_buff *skb, } pol = NULL; - if (sk && sk->sk_policy[dir]) + if (sk && sk->sk_policy[dir]) { pol = xfrm_sk_policy_lookup(sk, dir, &fl); + if (IS_ERR(pol)) + return 0; + } if (!pol) pol = flow_cache_lookup(&fl, family, fl_dir,