diff options
| author |   stephen hemminger <shemminger@vyatta.com> | 2010-07-27 08:26:30 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2010-07-28 10:50:55 -0700 |
| commit | eeaf61d8891f9c9ed12c1a667e72bf83f0857954 (patch) | |
| tree | daeda447800df1349559268d8f6e79c90dcd22dd /net/bridge/br_stp_bpdu.c | |
| parent | e1000e: 82577/82578 PHY register access issues (diff) | |
| download | linux-dev-eeaf61d8891f9c9ed12c1a667e72bf83f0857954.tar.xz linux-dev-eeaf61d8891f9c9ed12c1a667e72bf83f0857954.zip | |
bridge: add rcu_read_lock on transmit
Long ago, when bridge was converted to RCU, rcu lock was equivalent
to having preempt disabled. RCU has changed a lot since then and
bridge code was still assuming the since transmit was called with
bottom half disabled, it was RCU safe.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Tested-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge/br_stp_bpdu.c')
| -rw-r--r-- | net/bridge/br_stp_bpdu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/bridge/br_stp_bpdu.c b/net/bridge/br_stp_bpdu.c index 217bd225a42f..5854e8285a9c 100644 --- a/net/bridge/br_stp_bpdu.c +++ b/net/bridge/br_stp_bpdu.c @@ -131,7 +131,7 @@ void br_send_tcn_bpdu(struct net_bridge_port *p) /* * Called from llc. * - * NO locks, but rcu_read_lock (preempt_disabled) + * NO locks, but rcu_read_lock */ void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, struct net_device *dev) |