This is a note to let you know that I've just added the patch titled
mac80211: Suppress NEW_PEER_CANDIDATE event if no room
to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: mac80211-suppress-new_peer_candidate-event-if-no-room.patch and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From foo@baz Tue Nov 28 10:56:34 CET 2017
From: Masashi Honma masashi.honma@gmail.com Date: Wed, 30 Nov 2016 09:06:04 +0900 Subject: mac80211: Suppress NEW_PEER_CANDIDATE event if no room
From: Masashi Honma masashi.honma@gmail.com
[ 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 --- net/mac80211/mesh_plink.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-)
--- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -495,12 +495,14 @@ mesh_sta_info_alloc(struct ieee80211_sub
/* 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;
Patches currently in stable-queue which might be from masashi.honma@gmail.com are
queue-4.4/mac80211-suppress-new_peer_candidate-event-if-no-room.patch queue-4.4/mac80211-remove-invalid-flag-operations-in-mesh-tsf-synchronization.patch