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Subject[PATCH 5.4 069/155] mac80211: Do not send mesh HWMP PREQ if HWMP is disabled
Date
From: Nicolas Cavallari <nicolas.cavallari@green-communications.fr>

[ Upstream commit ba32679cac50c38fdf488296f96b1f3175532b8e ]

When trying to transmit to an unknown destination, the mesh code would
unconditionally transmit a HWMP PREQ even if HWMP is not the current
path selection algorithm.

Signed-off-by: Nicolas Cavallari <nicolas.cavallari@green-communications.fr>
Link: https://lore.kernel.org/r/20200305140409.12204-1-cavallar@lri.fr
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
net/mac80211/mesh_hwmp.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index d699833703819..38a0383dfbcfa 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -1152,7 +1152,8 @@ int mesh_nexthop_resolve(struct ieee80211_sub_if_data *sdata,
}
}

- if (!(mpath->flags & MESH_PATH_RESOLVING))
+ if (!(mpath->flags & MESH_PATH_RESOLVING) &&
+ mesh_path_sel_is_hwmp(sdata))
mesh_queue_preq(mpath, PREQ_Q_F_START);

if (skb_queue_len(&mpath->frame_queue) >= MESH_FRAME_QUEUE_LEN)
--
2.20.1


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