audit: disable ipsec auditing when CONFIG_AUDITSYSCALL=n

Disables auditing in ipsec when CONFIG_AUDITSYSCALL is
disabled in the kernel.

Also includes a bug fix for xfrm_state.c as a result of
original ipsec audit patch.

Signed-off-by: Joy Latten <latten@austin.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 8 insertions, 2 deletions

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index f699cdcab406..e4765413cf80 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -398,8 +398,13 @@ struct xfrm_audit
         uid_t   loginuid;
         u32     secid;
 };
-void xfrm_audit_log(uid_t auid, u32 secid, int type, int result,
+
+#ifdef CONFIG_AUDITSYSCALL
+extern void xfrm_audit_log(uid_t auid, u32 secid, int type, int result,
                     struct xfrm_policy *xp, struct xfrm_state *x);
+#else
+#define xfrm_audit_log(a,s,t,r,p,x) do { ; } while (0)
+#endif /* CONFIG_AUDITSYSCALL */
 
 static inline void xfrm_pol_hold(struct xfrm_policy *policy)
 {
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 47c13649bac1..140bb9b384ac 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1986,6 +1986,7 @@ int xfrm_bundle_ok(struct xfrm_policy *pol, struct xfrm_dst *first,
 
 EXPORT_SYMBOL(xfrm_bundle_ok);
 
+#ifdef CONFIG_AUDITSYSCALL
 /* Audit addition and deletion of SAs and ipsec policy */
 
 void xfrm_audit_log(uid_t auid, u32 sid, int type, int result,
@@ -2094,6 +2095,7 @@ void xfrm_audit_log(uid_t auid, u32 sid, int type, int result,
 }
 
 EXPORT_SYMBOL(xfrm_audit_log);
+#endif /* CONFIG_AUDITSYSCALL */
 
 int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
 {
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index d5d3a6f1f609..fdb08d9f34aa 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -407,7 +407,6 @@ restart:
                                 xfrm_state_hold(x);
                                 spin_unlock_bh(&xfrm_state_lock);
 
-                                xfrm_state_delete(x);
                                 err = xfrm_state_delete(x);
                                 xfrm_audit_log(audit_info->loginuid,
                                                audit_info->secid,