Signed-off-by: Marek Lindner lindner_marek@yahoo.de ---

Thanks to Sven we even have a 'nice' compat.h workaround. :)

compat.h | 1 + hard-interface.c | 8 ++++++++ 2 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/compat.h b/compat.h index 964c066..dcd92d1 100644 --- a/compat.h +++ b/compat.h @@ -52,6 +52,7 @@ #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 36)

#define __rcu +#define IFF_BRIDGE_PORT 0 || (hard_iface->net_dev->br_port ? 1 : 0)

#endif /* < KERNEL_VERSION(2, 6, 36) */

diff --git a/hard-interface.c b/hard-interface.c index d3e0e32..68b667c 100644 --- a/hard-interface.c +++ b/hard-interface.c @@ -281,6 +281,14 @@ int hardif_enable_interface(struct hard_iface *hard_iface, if (!atomic_inc_not_zero(&hard_iface->refcount)) goto out;

+ /* hard-interface is part of a bridge */ + if (hard_iface->net_dev->priv_flags & IFF_BRIDGE_PORT) + pr_err("You are about to enable batman-adv on '%s' which " + "already is part of a bridge. Unless you know exactly " + "what you are doing this is probably wrong and won't " + "work the way you think it would.\n", + hard_iface->net_dev->name); + soft_iface = dev_get_by_name(&init_net, iface_name);

if (!soft_iface) {