From: "baker.zhang" <baker.ker...@gmail.com>
fib_table_lookup has included the rcu lock protection.
Signed-off-by: baker.zhang <baker.ker...@gmail.com>
---
net/ipv4/fib_frontend.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index b3f627a..0e9127d 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -170,12 +170,10 @@ static inline unsigned int __inet_dev_addr_type(struct
net *net,
local_table = fib_get_table(net, RT_TABLE_LOCAL);
if (local_table) {
ret = RTN_UNICAST;
- rcu_read_lock();
if (!fib_table_lookup(local_table, &fl4, &res,
FIB_LOOKUP_NOREF)) {
if (!dev || dev == res.fi->fib_dev)
ret = res.type;
}
- rcu_read_unlock();
}
return ret;
}
@@ -933,7 +931,6 @@ 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 +939,6 @@ 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();
}
}
--
1.8.1.2
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