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@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/llc/llc_core.c b/net/llc/llc_core.c
index e251c04..842851c 100644
--- a/net/llc/llc_core.c
+++ b/net/llc/llc_core.c
@@ -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_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);