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-rw-r--r--net/bridge/br_if.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index a6f74b2..a2cbe61 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -390,6 +390,10 @@ int br_add_if(struct net_bridge *br, struct net_device *dev)
if (dev->br_port != NULL)
return -EBUSY;
+ /* No bridging devices that dislike that (e.g. wireless) */
+ if (dev->priv_flags & IFF_DONT_BRIDGE)
+ return -EOPNOTSUPP;
+
p = new_nbp(br, dev);
if (IS_ERR(p))
return PTR_ERR(p);
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