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authorJason A. Donenfeld <Jason@zx2c4.com>2018-07-31 07:03:07 +0200
committerJason A. Donenfeld <Jason@zx2c4.com>2018-07-31 07:19:52 +0200
commit488b7dcba7a5dcf5d65349992c7fc32b3d9c17d1 (patch)
tree847677cfc90dee98bfe86d64a991f3ff0d8f428d /src/hashtables.c
parent0c942d003c4291fe05d0de296ac040c7b0d0503c (diff)
peer: simplify rcu reference counts
Use RCU reference counts only when we must, and otherwise use a more reasonably named function. Reported-by: Jann Horn <jann@thejh.net> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'src/hashtables.c')
-rw-r--r--src/hashtables.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/hashtables.c b/src/hashtables.c
index 0e5235d..ab0f622 100644
--- a/src/hashtables.c
+++ b/src/hashtables.c
@@ -48,7 +48,7 @@ struct wireguard_peer *pubkey_hashtable_lookup(struct pubkey_hashtable *table, c
break;
}
}
- peer = peer_get(peer);
+ peer = peer_get_maybe_zero(peer);
rcu_read_unlock_bh();
return peer;
}
@@ -159,7 +159,7 @@ struct index_hashtable_entry *index_hashtable_lookup(struct index_hashtable *tab
}
}
if (likely(entry)) {
- entry->peer = peer_get(entry->peer);
+ entry->peer = peer_get_maybe_zero(entry->peer);
if (unlikely(!entry->peer))
entry = NULL;
}