netdev - [PATCH net 2/2] openvswitch: correct an invalid BUG

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Date:	Tue, 16 Apr 2013 13:17:29 -0700
From:	Jesse Gross <jesse@...ira.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, dev@...nvswitch.org,
	Hong Zhiguo <honkiko@...il.com>, Jesse Gross <jesse@...ira.com>
Subject: [PATCH net 2/2] openvswitch: correct an invalid BUG_ON

From: Hong Zhiguo <honkiko@...il.com>

table->count is uint32_t

Signed-off-by: Hong Zhiguo <honkiko@...il.com>
Signed-off-by: Jesse Gross <jesse@...ira.com>
---
 net/openvswitch/flow.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c
index fe0e421..67a2b78 100644
--- a/net/openvswitch/flow.c
+++ b/net/openvswitch/flow.c
@@ -795,9 +795,9 @@ void ovs_flow_tbl_insert(struct flow_table *table, struct sw_flow *flow)
 
 void ovs_flow_tbl_remove(struct flow_table *table, struct sw_flow *flow)
 {
+	BUG_ON(table->count == 0);
 	hlist_del_rcu(&flow->hash_node[table->node_ver]);
 	table->count--;
-	BUG_ON(table->count < 0);
 }
 
 /* The size of the argument for each %OVS_KEY_ATTR_* Netlink attribute.  */
-- 
1.7.10.4

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