[PATCH 2.6.20 12/14] nfnetlink_log: possible NULL pointer dereference in nfulnl_recv_config()

[Michał Mirosław]

Eliminate possible NULL pointer dereference in nfulnl_recv_config().

Signed-off-by: Michał Mirosław <[EMAIL PROTECTED]>

--- linux-2.6.20/net/netfilter/nfnetlink_log.c.10       2007-02-12 
17:05:14.000000000 +0100
+++ linux-2.6.20/net/netfilter/nfnetlink_log.c  2007-02-12 17:35:50.000000000 
+0100
@@ -853,6 +853,9 @@ nfulnl_recv_config(struct sock *ctnl, st
                        ret = -EINVAL;
                        break;
                }
+
+               if (!inst)
+                       goto out_null;
        } else {
                if (!inst) {
                        UDEBUG("no config command, and no instance for "
-
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