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authorstephen hemminger <shemminger@vyatta.com>2010-07-27 08:26:30 +0000
committerDavid S. Miller <davem@davemloft.net>2010-07-28 10:50:55 -0700
commiteeaf61d8891f9c9ed12c1a667e72bf83f0857954 (patch)
treedaeda447800df1349559268d8f6e79c90dcd22dd /net/bridge/br_fdb.c
parentff847ac2d3e90edd94674c28bade25ae1e6a2e49 (diff)
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_fdb.c')
-rw-r--r--net/bridge/br_fdb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index b01dde35a69..7204ad3aff6 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -214,7 +214,7 @@ void br_fdb_delete_by_port(struct net_bridge *br,
spin_unlock_bh(&br->hash_lock);
}
-/* No locking or refcounting, assumes caller has no preempt (rcu_read_lock) */
+/* No locking or refcounting, assumes caller has rcu_read_lock */
struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br,
const unsigned char *addr)
{