From 77dfca7e45518ea87a4e90f9142b87687f55f708 Mon Sep 17 00:00:00 2001
From: "baker.zhang" <baker.kernel@gmail.com>
Date: Sun, 13 Oct 2013 19:50:09 +0800
Subject: [PATCH] fib_trie: remove duplicated rcu lock
fib_table_lookup has included the rcu lock protection.
Signed-off-by: baker.zhang <baker.kernel@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/ipv4/fib_frontend.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index b3f627ac4ed8..d846304b7b89 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -933,7 +933,6 @@ static void nl_fib_lookup(struct fib_result_nl *frn, struct fib_table *tb)
local_bh_disable();
frn->tb_id = tb->tb_id;
- rcu_read_lock();
frn->err = fib_table_lookup(tb, &fl4, &res, FIB_LOOKUP_NOREF);
if (!frn->err) {
@@ -942,7 +941,6 @@ static void nl_fib_lookup(struct fib_result_nl *frn, struct fib_table *tb)
frn->type = res.type;
frn->scope = res.scope;
}
- rcu_read_unlock();
local_bh_enable();
}
}
--
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