From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Marek Lindner Date: Fri, 17 Feb 2012 15:18:26 +0800 Message-Id: <1329463110-856-7-git-send-email-lindner_marek@yahoo.de> In-Reply-To: <1329463110-856-1-git-send-email-lindner_marek@yahoo.de> References: <1329463110-856-1-git-send-email-lindner_marek@yahoo.de> Subject: [B.A.T.M.A.N.] [PATCH 06/10] batman-adv: warn if added interface is part of a bridge Reply-To: The list for a Better Approach To Mobile Ad-hoc Networking List-Id: The list for a Better Approach To Mobile Ad-hoc Networking List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: davem@davemloft.net Cc: netdev@vger.kernel.org, b.a.t.m.a.n@lists.open-mesh.org, Marek Lindner Signed-off-by: Marek Lindner --- net/batman-adv/hard-interface.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index d3e0e32..68b667c 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/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) { -- 1.7.9