VServer 1.9.2 (patch-2.6.8.1-vs1.9.2.diff)

[linux-2.6.git] / net / ipv4 / netfilter / ipt_owner.c

diff --git a/net/ipv4/netfilter/ipt_owner.c b/net/ipv4/netfilter/ipt_owner.c
index 91c3fd3..3b9065e 100644 (file)
--- a/net/ipv4/netfilter/ipt_owner.c
+++ b/net/ipv4/netfilter/ipt_owner.c
@@ -184,7 +184,15 @@ checkentry(const char *tablename,
                       IPT_ALIGN(sizeof(struct ipt_owner_info)));
                return 0;
        }
-
+#ifdef CONFIG_SMP
+       /* files->file_lock can not be used in a BH */
+       if (((struct ipt_owner_info *)matchinfo)->match
+           & (IPT_OWNER_PID|IPT_OWNER_SID|IPT_OWNER_COMM)) {
+               printk("ipt_owner: pid, sid and command matching is broken "
+                      "on SMP.\n");
+               return 0;
+       }
+#endif
        return 1;
 }