From: Thomas Pedersen Date: Mon, 4 Mar 2013 21:06:14 +0000 (-0800) Subject: mac80211: disallow changing auto_open_plinks X-Git-Tag: v3.10-rc1~120^2~390^2^2~69^2~1 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=146bb4839adfd5637beb6daa01aa94f342de5eab;p=~emulex%2Finfiniband.git mac80211: disallow changing auto_open_plinks while user MPM is running. Signed-off-by: Thomas Pedersen Signed-off-by: Johannes Berg --- diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index c6c7f6e0b58..1d1ddabd89c 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;