netdev - [PATCH net-next] llc: make lock static

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Message-ID: <20140103091951.06153029@nehalam.linuxnetplumber.net>
Date:	Fri, 3 Jan 2014 09:19:51 -0800
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: [PATCH net-next] llc: make lock static

The llc_sap_list_lock does not need to be global, only acquired
in core.

Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>


--- a/include/net/llc.h	2013-12-30 21:34:18.438981005 -0800
+++ b/include/net/llc.h	2013-12-30 21:34:51.602557247 -0800
@@ -93,7 +93,6 @@ struct hlist_nulls_head *llc_sk_laddr_ha
 #define LLC_DEST_CONN            2      /* Type 2 goes here */
 
 extern struct list_head llc_sap_list;
-extern spinlock_t llc_sap_list_lock;
 
 int llc_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt,
 	    struct net_device *orig_dev);
--- a/net/llc/llc_core.c	2013-12-30 21:34:18.438981005 -0800
+++ b/net/llc/llc_core.c	2013-12-30 21:34:51.602557247 -0800
@@ -23,7 +23,7 @@
 #include <net/llc.h>
 
 LIST_HEAD(llc_sap_list);
-DEFINE_SPINLOCK(llc_sap_list_lock);
+static DEFINE_SPINLOCK(llc_sap_list_lock);
 
 /**
  *	llc_sap_alloc - allocates and initializes sap.
@@ -159,7 +159,6 @@ module_init(llc_init);
 module_exit(llc_exit);
 
 EXPORT_SYMBOL(llc_sap_list);
-EXPORT_SYMBOL(llc_sap_list_lock);
 EXPORT_SYMBOL(llc_sap_find);
 EXPORT_SYMBOL(llc_sap_open);
 EXPORT_SYMBOL(llc_sap_close);
--
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