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mac80211: Suppress NEW_PEER_CANDIDATE event if no room

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[ Upstream commit 11197d006b ]

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>
This commit is contained in:
Masashi Honma 2016-11-30 09:06:04 +09:00 committed by Greg Kroah-Hartman
parent 9825826ed7
commit 7e927748d4
1 changed files with 8 additions and 6 deletions
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14
net/mac80211/mesh_plink.c
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@ -495,12 +495,14 @@ 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)
cfg80211_notify_new_peer_candidate(sdata->dev, addr,
elems->ie_start,
elems->total_len,
GFP_KERNEL);
else
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
sta = __mesh_sta_info_alloc(sdata, addr);
return sta;