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authorEric Dumazet <edumazet@google.com>2022-06-23 06:34:39 +0200
committerDavid S. Miller <davem@davemloft.net>2022-06-24 12:34:37 +0200
commite4cd9868e8ec3691e6d94725c8b10edd1ec6eca2 (patch)
tree9023915cd767a7f8dc8ba91dd9d0375e6dc1699c
parentipmr: do not acquire mrt_lock while calling ip_mr_forward() (diff)
downloadlinux-e4cd9868e8ec3691e6d94725c8b10edd1ec6eca2.tar.xz
linux-e4cd9868e8ec3691e6d94725c8b10edd1ec6eca2.zip
ipmr: do not acquire mrt_lock in ipmr_get_route()
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>
-rw-r--r--net/ipv4/ipmr.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index b0f2e6d79d62..69ccd3d7c655 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -2289,9 +2289,7 @@ int ipmr_get_route(struct net *net, struct sk_buff *skb,
return err;
}
- read_lock(&mrt_lock);
err = mr_fill_mroute(mrt, skb, &cache->_c, rtm);
- read_unlock(&mrt_lock);
rcu_read_unlock();
return err;
}