diff options
| author |   Ingo Molnar <mingo@kernel.org> | 2018-12-03 10:47:53 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-12-03 10:47:53 +0100 |
| commit | df60673198ae678f68af54873b8904ba93fe13a0 (patch) | |
| tree | 6e9a3393d0be7b68a69c2bbc58f4325ceb6fd853 /net/tipc/node.c | |
| parent | x86/headers: Fix -Wmissing-prototypes warning (diff) | |
| parent | Linux 4.20-rc5 (diff) | |
| download | wireguard-linux-df60673198ae678f68af54873b8904ba93fe13a0.tar.xz wireguard-linux-df60673198ae678f68af54873b8904ba93fe13a0.zip | |
Merge tag 'v4.20-rc5' into x86/cleanups, to sync up the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/tipc/node.c')
| -rw-r--r-- | net/tipc/node.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/tipc/node.c b/net/tipc/node.c index 2afc4f8c37a7..488019766433 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -584,12 +584,15 @@ static void tipc_node_clear_links(struct tipc_node *node) /* tipc_node_cleanup - delete nodes that does not * have active links for NODE_CLEANUP_AFTER time */ -static int tipc_node_cleanup(struct tipc_node *peer) +static bool tipc_node_cleanup(struct tipc_node *peer) { struct tipc_net *tn = tipc_net(peer->net); bool deleted = false; - spin_lock_bh(&tn->node_list_lock); + /* If lock held by tipc_node_stop() the node will be deleted anyway */ + if (!spin_trylock_bh(&tn->node_list_lock)) + return false; + tipc_node_write_lock(peer); if (!node_is_up(peer) && time_after(jiffies, peer->delete_at)) { |