Commit 1171ebb0 authored Nov 30, 2016 by Masashi Honma Committed by Greg Kroah-Hartman Nov 30, 2017

mac80211: Suppress NEW_PEER_CANDIDATE event if no room




[ Upstream commit 11197d006bcfabf0173a7820a163fcaac420d10e ]

Previously, kernel sends NEW_PEER_CANDIDATE event to user land even if
the found peer does not have any room to accept other peer. This causes
continuous connection trials.

Signed-off-by: Masashi Honma <masashi.honma@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 9d825502

net/mac80211/mesh_plink.c

+8 −6

Original line number	Diff line number	Diff line
		@@ -448,12 +448,14 @@ mesh_sta_info_alloc(struct ieee80211_sub_if_data sdata, u8 addr,

		/* Userspace handles station allocation */
		if (sdata->u.mesh.user_mpm \|\|
		sdata->u.mesh.security & IEEE80211_MESH_SEC_AUTHED)
		sdata->u.mesh.security & IEEE80211_MESH_SEC_AUTHED) {
		if (mesh_peer_accepts_plinks(elems) &&
		mesh_plink_availables(sdata))
		cfg80211_notify_new_peer_candidate(sdata->dev, addr,
		elems->ie_start,
		elems->total_len,
		GFP_KERNEL);
		else
		} else
		sta = __mesh_sta_info_alloc(sdata, addr);

		return sta;