From 146bb4839adfd5637beb6daa01aa94f342de5eab Mon Sep 17 00:00:00 2001 From: Thomas Pedersen Date: Mon, 4 Mar 2013 13:06:14 -0800 Subject: [PATCH] mac80211: disallow changing auto_open_plinks while user MPM is running. Signed-off-by: Thomas Pedersen Signed-off-by: Johannes Berg --- net/mac80211/cfg.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index c6c7f6e0b585..1d1ddabd89ca 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1773,8 +1773,11 @@ static int ieee80211_update_mesh_config(struct wiphy *wiphy, conf->dot11MeshTTL = nconf->dot11MeshTTL; if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) conf->element_ttl = nconf->element_ttl; - if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) + if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { + if (ifmsh->user_mpm) + return -EBUSY; conf->auto_open_plinks = nconf->auto_open_plinks; + } if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) conf->dot11MeshNbrOffsetMaxNeighbor = nconf->dot11MeshNbrOffsetMaxNeighbor; -- 2.20.1