diff options
| -rw-r--r-- | net/mac80211/mesh_pathtbl.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index ede4f5242e0b..2218eaf48bcb 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -991,9 +991,14 @@ void mesh_path_discard_frame(struct sk_buff *skb, da = hdr->addr3; ra = hdr->addr1; + rcu_read_lock(); mpath = mesh_path_lookup(da, sdata); - if (mpath) + if (mpath) { + spin_lock_bh(&mpath->state_lock); sn = ++mpath->sn; + spin_unlock_bh(&mpath->state_lock); + } + rcu_read_unlock(); mesh_path_error_tx(sdata->u.mesh.mshcfg.element_ttl, skb->data, cpu_to_le32(sn), reason, ra, sdata); } |