1 files changed, 26 insertions, 16 deletions

diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index da54a64ccfa..fdb08d9f34a 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -20,6 +20,7 @@
 #include <linux/module.h>
 #include <linux/cache.h>
 #include <asm/uaccess.h>
+#include <linux/audit.h>
 
 #include "xfrm_hash.h"
 
@@ -238,6 +239,7 @@ static void xfrm_timer_handler(unsigned long data)
         unsigned long now = (unsigned long)xtime.tv_sec;
         long next = LONG_MAX;
         int warn = 0;
+        int err = 0;
 
         spin_lock(&x->lock);
         if (x->km.state == XFRM_STATE_DEAD)
@@ -295,9 +297,14 @@ expired:
                 next = 2;
                 goto resched;
         }
-        if (!__xfrm_state_delete(x) && x->id.spi)
+
+        err = __xfrm_state_delete(x);
+        if (!err && x->id.spi)
                 km_state_expired(x, 1, 0);
 
+        xfrm_audit_log(audit_get_loginuid(current->audit_context), 0,
+                       AUDIT_MAC_IPSEC_DELSA, err ? 0 : 1, NULL, x);
+
 out:
         spin_unlock(&x->lock);
 }
@@ -384,9 +391,10 @@ int xfrm_state_delete(struct xfrm_state *x)
 }
 EXPORT_SYMBOL(xfrm_state_delete);
 
-void xfrm_state_flush(u8 proto)
+void xfrm_state_flush(u8 proto, struct xfrm_audit *audit_info)
 {
         int i;
+        int err = 0;
 
         spin_lock_bh(&xfrm_state_lock);
         for (i = 0; i <= xfrm_state_hmask; i++) {
@@ -399,7 +407,11 @@ 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,
+                                               AUDIT_MAC_IPSEC_DELSA,
+                                               err ? 0 : 1, NULL, x);
                                 xfrm_state_put(x);
 
                                 spin_lock_bh(&xfrm_state_lock);
@@ -1099,7 +1111,7 @@ int xfrm_state_walk(u8 proto, int (*func)(struct xfrm_state *, int, void*),
                     void *data)
 {
         int i;
-        struct xfrm_state *x;
+        struct xfrm_state *x, *last = NULL;
         struct hlist_node *entry;
         int count = 0;
         int err = 0;
@@ -1107,24 +1119,22 @@ int xfrm_state_walk(u8 proto, int (*func)(struct xfrm_state *, int, void*),
         spin_lock_bh(&xfrm_state_lock);
         for (i = 0; i <= xfrm_state_hmask; i++) {
                 hlist_for_each_entry(x, entry, xfrm_state_bydst+i, bydst) {
-                        if (xfrm_id_proto_match(x->id.proto, proto))
-                                count++;
+                        if (!xfrm_id_proto_match(x->id.proto, proto))
+                                continue;
+                        if (last) {
+                                err = func(last, count, data);
+                                if (err)
+                                        goto out;
+                        }
+                        last = x;
+                        count++;
                 }
         }
         if (count == 0) {
                 err = -ENOENT;
                 goto out;
         }
-
-        for (i = 0; i <= xfrm_state_hmask; i++) {
-                hlist_for_each_entry(x, entry, xfrm_state_bydst+i, bydst) {
-                        if (!xfrm_id_proto_match(x->id.proto, proto))
-                                continue;
-                        err = func(x, --count, data);
-                        if (err)
-                                goto out;
-                }
-        }
+        err = func(last, 0, data);
 out:
         spin_unlock_bh(&xfrm_state_lock);
         return err;