diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-17 04:36:37 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-17 04:36:37 +0400 |
| commit | 6a8c62f3e97fdf184fde60bc99155476e8e9cd55 (patch) | |
| tree | 71b818d584f79baf1a192df65c758a592a63360d /net/bridge | |
| parent | b46d0c46ccaa366a5bb8ac709fdf2bcaa76221fd (diff) | |
| parent | 319e2e3f63c348a9b66db4667efa73178e18b17d (diff) | |
| download | linux-6a8c62f3e97fdf184fde60bc99155476e8e9cd55.tar.xz | |
Merge 3.13-rc4 into tty-next
We want the fixes in here as well.
Diffstat (limited to 'net/bridge')
| -rw-r--r-- | net/bridge/br_private.h | 10 | ||||
| -rw-r--r-- | net/bridge/br_stp_bpdu.c | 2 |
2 files changed, 11 insertions, 1 deletions
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 229d820bdf0b..045d56eaeca2 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -426,6 +426,16 @@ netdev_features_t br_features_recompute(struct net_bridge *br, int br_handle_frame_finish(struct sk_buff *skb); rx_handler_result_t br_handle_frame(struct sk_buff **pskb); +static inline bool br_rx_handler_check_rcu(const struct net_device *dev) +{ + return rcu_dereference(dev->rx_handler) == br_handle_frame; +} + +static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) +{ + return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; +} + /* br_ioctl.c */ int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, diff --git a/net/bridge/br_stp_bpdu.c b/net/bridge/br_stp_bpdu.c index 8660ea3be705..bdb459d21ad8 100644 --- a/net/bridge/br_stp_bpdu.c +++ b/net/bridge/br_stp_bpdu.c @@ -153,7 +153,7 @@ void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, if (buf[0] != 0 || buf[1] != 0 || buf[2] != 0) goto err; - p = br_port_get_rcu(dev); + p = br_port_get_check_rcu(dev); if (!p) goto err; |