net/quagga: add an upstream pending patch

git-svn-id: svn://svn.openwrt.org/openwrt/packages@25650 3c298f89-4303-0410-b956-a3cf2f4a3e73

net/quagga/patches/000-upstream-bgp_lock_node.patch

@@ -0,0 +1,31 @@
+From: Barry Friedman <barryf@google.com>
+Date: Thu, 3 Feb 2011 22:02:53 +0000 (-0800)
+Subject: bgpd: Remove extra lock on interior table node
+X-Git-Url: http://git.ozo.com/?p=quagga-next.git;a=commitdiff_plain;h=765ec33b44a7d8cf9290acd19dc19953df4ddb0d
+
+bgpd: Remove extra lock on interior table node
+
+If the radix tree creates an extra interior node in bgp_node_get(),
+it locks the interior node even though this node is not returned to
+the caller, so it may never be unlocked. The lock prevents this node
+from being deleted.
+
+* bgpd/bgp_table.c
+  * bgp_node_get(): Remove lock on interior node which prevents
+    proper node deletion
+
+Signed-off-by: Barry Friedman <barryf@google.com>
+---
+
+diff --git a/bgpd/bgp_table.c b/bgpd/bgp_table.c
+index 91cab60..a249c23 100644
+--- a/bgpd/bgp_table.c
++++ b/bgpd/bgp_table.c
+@@ -350,7 +350,6 @@ bgp_node_get (struct bgp_table *const table, struct prefix *p)
+       if (new->p.prefixlen != p->prefixlen)
+ 	{
+ 	  match = new;
+-	  bgp_lock_node (match);
+ 	  new = bgp_node_set (table, p);
+ 	  set_link (match, new);
+ 	  table->count++;