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authorPorsch, Marco <marco.porsch@siemens.com>2010-02-24 09:53:13 +0100
committerJohn W. Linville <linville@tuxdriver.com>2010-03-30 15:37:23 -0400
commit533866b12cce484994163b1e201778cbac4c04c5 (patch)
tree6623b75a54f72e53da78fc2982b8486d62346aae
parentc7a00dc73b7185ab2ebd1aa7ce710c7b4edc77a4 (diff)
downloadblackbird-op-linux-533866b12cce484994163b1e201778cbac4c04c5.tar.gz
blackbird-op-linux-533866b12cce484994163b1e201778cbac4c04c5.zip
mac80211: fix PREQ processing and one small bug
1st) a PREQ should only be processed, if it has the same SN and better metric (instead of better or equal). 2nd) next_hop[ETH_ALEN] now actually used to buffer mpath->next_hop->sta.addr for use out of lock. Signed-off-by: Marco Porsch <marco.porsch@siemens.com> Acked-by: Javier Cardona <javier@cozybit.com> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--net/mac80211/mesh_hwmp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index ce84237ebad3..ccff6133e19a 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -391,7 +391,7 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
if (SN_GT(mpath->sn, orig_sn) ||
(mpath->sn == orig_sn &&
action == MPATH_PREQ &&
- new_metric > mpath->metric)) {
+ new_metric >= mpath->metric)) {
process = false;
fresh_info = false;
}
@@ -611,7 +611,7 @@ static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata,
mesh_path_sel_frame_tx(MPATH_PREP, flags, orig_addr,
cpu_to_le32(orig_sn), 0, target_addr,
- cpu_to_le32(target_sn), mpath->next_hop->sta.addr, hopcount,
+ cpu_to_le32(target_sn), next_hop, hopcount,
ttl, cpu_to_le32(lifetime), cpu_to_le32(metric),
0, sdata);
rcu_read_unlock();
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