diff options
| author | Richard Alpe <[email protected]> | 2014-12-10 08:46:54 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2014-12-10 19:45:33 +0000 |
| commit | 340b6e59fbc6ac97469253315c96e952908c9c0d (patch) | |
| tree | d88c379f281f793b0b4f333a8fde018466bc1a6a /net/tipc/node.c | |
| parent | enic: add support for set/get rss hash key (diff) | |
| download | kernel-340b6e59fbc6ac97469253315c96e952908c9c0d.tar.gz kernel-340b6e59fbc6ac97469253315c96e952908c9c0d.zip | |
tipc: fix broadcast wakeup contention after congestion
commit 908344cdda80 ("tipc: fix bug in multicast congestion handling")
introduced a race in the broadcast link wakeup functionality.
This patch eliminates this broadcast link wakeup race caused by
operation on the wakeup list without proper locking. If this race
hit and corrupted the list all subsequent wakeup messages would be
lost, resulting in a considerable memory leak.
Signed-off-by: Richard Alpe <[email protected]>
Signed-off-by: Erik Hugne <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'net/tipc/node.c')
| -rw-r--r-- | net/tipc/node.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/tipc/node.c b/net/tipc/node.c index 69b96be09a86..8d353ec77a66 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -115,7 +115,7 @@ struct tipc_node *tipc_node_create(u32 addr) INIT_LIST_HEAD(&n_ptr->list); INIT_LIST_HEAD(&n_ptr->publ_list); INIT_LIST_HEAD(&n_ptr->conn_sks); - __skb_queue_head_init(&n_ptr->waiting_sks); + skb_queue_head_init(&n_ptr->waiting_sks); __skb_queue_head_init(&n_ptr->bclink.deferred_queue); hlist_add_head_rcu(&n_ptr->hash, &node_htable[tipc_hashfn(addr)]); |