From: Joy Latten <latten@austin.ibm.com>
Date: Fri, 3 Aug 2007 02:25:43 +0000 (-0700)
Subject: [PF_KEY]: Fix ipsec not working in 2.6.23-rc1-git10
X-Git-Tag: v2.6.23-rc2~9^2~5
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4a4b6271a8df417e328aed4c8a7e04e0b282207e;p=linux-2.6

[PF_KEY]: Fix ipsec not working in 2.6.23-rc1-git10

Although an ipsec SA was established, kernel couldn't seem to find it.

I think since we are now using "x->sel.family" instead of "family" in
the xfrm_selector_match() called in xfrm_state_find(), af_key needs to
set this field too, just as xfrm_user.

In af_key.c, x->sel.family only gets set when there's an
ext_hdrs[SADB_EXT_ADDRESS_PROXY-1] which I think is for tunnel.

I think pfkey needs to also set the x->sel.family field when it is 0.

Tested with below patch, and ipsec worked when using pfkey.

Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/key/af_key.c b/net/key/af_key.c
index 7b0a95abe9..5502df115a 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -1206,6 +1206,9 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct sadb_msg *hdr,
 		x->sel.prefixlen_s = addr->sadb_address_prefixlen;
 	}
 
+	if (!x->sel.family)
+		x->sel.family = x->props.family;
+
 	if (ext_hdrs[SADB_X_EXT_NAT_T_TYPE-1]) {
 		struct sadb_x_nat_t_type* n_type;
 		struct xfrm_encap_tmpl *natt;