diff options
Diffstat (limited to 'net/bridge/br_device.c')
| -rw-r--r-- | net/bridge/br_device.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index 753fc4221f3c..4cec8051164d 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -22,7 +22,7 @@ #include <asm/uaccess.h> #include "br_private.h" -/* net device transmit always called with no BH (preempt_disabled) */ +/* net device transmit always called with BH disabled */ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev) { struct net_bridge *br = netdev_priv(dev); @@ -46,6 +46,7 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev) skb_reset_mac_header(skb); skb_pull(skb, ETH_HLEN); + rcu_read_lock(); if (is_multicast_ether_addr(dest)) { if (br_multicast_rcv(br, NULL, skb)) goto out; @@ -61,6 +62,7 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev) br_flood_deliver(br, skb); out: + rcu_read_unlock(); return NETDEV_TX_OK; } |