netdev - [PATCH] net: force bridge module(s) to be GPL

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Date:	Thu, 10 Sep 2009 14:51:46 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] net: force bridge module(s) to be GPL

The only valid usage for the bridge frame hooks are by a
GPL components (such as the bridge module).
The kernel should not leave a crack in the door for proprietary
networking stacks to slip in.

Signed-off-by: Stephen Hemminger <shemminger@...tta.com>

--- a/net/core/dev.c	2009-09-10 14:27:59.076074483 -0700
+++ b/net/core/dev.c	2009-09-10 14:28:43.659314263 -0700
@@ -2116,7 +2116,7 @@ static inline int deliver_skb(struct sk_
 /* This hook is defined here for ATM LANE */
 int (*br_fdb_test_addr_hook)(struct net_device *dev,
 			     unsigned char *addr) __read_mostly;
-EXPORT_SYMBOL(br_fdb_test_addr_hook);
+EXPORT_SYMBOL_GPL(br_fdb_test_addr_hook);
 #endif
 
 /*
@@ -2125,7 +2125,7 @@ EXPORT_SYMBOL(br_fdb_test_addr_hook);
  */
 struct sk_buff *(*br_handle_frame_hook)(struct net_bridge_port *p,
 					struct sk_buff *skb) __read_mostly;
-EXPORT_SYMBOL(br_handle_frame_hook);
+EXPORT_SYMBOL_GPL(br_handle_frame_hook);
 
 static inline struct sk_buff *handle_bridge(struct sk_buff *skb,
 					    struct packet_type **pt_prev, int *ret,
--
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