From: Florian Westphal <f...@strlen.de>
The comment makes it look like get_tos() is used to validate something,
but it turns out the comment was about xfrm_find_bundle() which got removed
years ago.
xfrm_get_tos will return either the tos (ipv4) or 0 (ipv6).
Signed-off-by: Florian Westphal <f...@strlen.de>
Signed-off-by: Steffen Klassert <steffen.klass...@secunet.com>
---
net/xfrm/xfrm_policy.c | 19 +++++--------------
1 file changed, 5 insertions(+), 14 deletions(-)
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 99ad1af2..6fffa2f 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1538,19 +1538,13 @@ int __xfrm_sk_clone_policy(struct sock *sk, const
struct sock *osk)
}
-/* Check that the bundle accepts the flow and its components are
- * still valid.
- */
-
-static inline int xfrm_get_tos(const struct flowi *fl, int family)
+static int xfrm_get_tos(const struct flowi *fl, int family)
{
- struct xfrm_policy_afinfo *afinfo = xfrm_policy_get_afinfo(family);
- int tos;
-
- if (!afinfo)
- return -EINVAL;
+ struct xfrm_policy_afinfo *afinfo;
+ int tos = 0;
- tos = afinfo->get_tos(fl);
+ afinfo = xfrm_policy_get_afinfo(family);
+ tos = afinfo ? afinfo->get_tos(fl) : 0;
xfrm_policy_put_afinfo(afinfo);
@@ -1705,9 +1699,6 @@ static struct dst_entry *xfrm_bundle_create(struct
xfrm_policy *policy,
xfrm_flowi_addr_get(fl, &saddr, &daddr, family);
tos = xfrm_get_tos(fl, family);
- err = tos;
- if (tos < 0)
- goto put_states;
dst_hold(dst);
--
1.9.1
