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ipmr: do not acquire mrt_lock in ipmr_get_route()

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mr_fill_mroute() uses standard rcu_read_unlock(),
no need to grab mrt_lock anymore.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2022-06-23 04:34:39 +00:00
committed by David S. Miller
parent 4eadb88244
commit e4cd9868e8
1 changed files with 0 additions and 2 deletions
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2
net/ipv4/ipmr.c
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@ -2289,9 +2289,7 @@ int ipmr_get_route(struct net *net, struct sk_buff *skb,
return err; return err;
} }
read_lock(&mrt_lock);
err = mr_fill_mroute(mrt, skb, &cache->_c, rtm); err = mr_fill_mroute(mrt, skb, &cache->_c, rtm);
read_unlock(&mrt_lock);
rcu_read_unlock(); rcu_read_unlock();
return err; return err;
} }