diff options
| author | Takashi Iwai <tiwai@suse.de> | 2009-12-01 15:58:15 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-12-01 15:58:15 +0100 |
| commit | b00615d163cd24fa98d155acfc1f9d81d6fe1103 (patch) | |
| tree | dde815788aaea3e336aaaf24763311ce63a22e1b /net/bridge/br_if.c | |
| parent | 75639e7ee1401b3876c7a00ffe96ea8027668690 (diff) | |
| parent | d6797322231af98b9bb4afb175dd614cf511e5f7 (diff) | |
Merge branch 'topic/pcm-dma-fix' into topic/core-change
Diffstat (limited to 'net/bridge/br_if.c')
| -rw-r--r-- | net/bridge/br_if.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index b1b3b0fbf41..4a9f5273265 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -377,12 +377,16 @@ int br_add_if(struct net_bridge *br, struct net_device *dev) struct net_bridge_port *p; int err = 0; - if (dev->flags & IFF_LOOPBACK || dev->type != ARPHRD_ETHER) + /* Don't allow bridging non-ethernet like devices */ + if ((dev->flags & IFF_LOOPBACK) || + dev->type != ARPHRD_ETHER || dev->addr_len != ETH_ALEN) return -EINVAL; + /* No bridging of bridges */ if (dev->netdev_ops->ndo_start_xmit == br_dev_xmit) return -ELOOP; + /* Device is already being bridged */ if (dev->br_port != NULL) return -EBUSY; |