From: bdschuym@pandora.be <bdschuym@pandora.be>
Date: Tue, 15 Mar 2005 05:22:31 +0000 (-0800)
Subject: [PATCH] Fix smp race.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5ba07d5c81af64d42937a4027ea7c930bdd8bf9e;p=thirdparty%2Fkernel%2Fstable.git

[PATCH] Fix smp race.

The patch below fixes an smp race that happens on such systems under
heavy load.
This bug was reported and solved by Steve Herrell
<steve_herrell@yahoo.ca>

Signed-off-by: Bart De Schuymer <bdschuym@pandora.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Chris Wright <chrisw@osdl.org>
---

diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 33dde2be31ba3..771105c927be4 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -179,9 +179,10 @@ unsigned int ebt_do_table (unsigned int hook, struct sk_buff **pskb,
 	struct ebt_chainstack *cs;
 	struct ebt_entries *chaininfo;
 	char *base;
-	struct ebt_table_info *private = table->private;
+	struct ebt_table_info *private;
 
 	read_lock_bh(&table->lock);
+	private = table->private;
 	cb_base = COUNTER_BASE(private->counters, private->nentries,
 	   smp_processor_id());
 	if (private->chainstack)