summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--net/mptcp/pm_netlink.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index 26f0329e16bb..8b232a210a06 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -1469,8 +1469,17 @@ static int mptcp_nl_remove_subflow_and_signal_addr(struct net *net,
remove_subflow = lookup_subflow_by_saddr(&msk->conn_list, addr);
mptcp_pm_remove_anno_addr(msk, addr, remove_subflow &&
!(entry->flags & MPTCP_PM_ADDR_FLAG_IMPLICIT));
- if (remove_subflow)
+
+ if (remove_subflow) {
mptcp_pm_remove_subflow(msk, &list);
+ } else if (entry->flags & MPTCP_PM_ADDR_FLAG_SUBFLOW) {
+ /* If the subflow has been used, but now closed */
+ spin_lock_bh(&msk->pm.lock);
+ if (!__test_and_set_bit(entry->addr.id, msk->pm.id_avail_bitmap))
+ msk->pm.local_addr_used--;
+ spin_unlock_bh(&msk->pm.lock);
+ }
+
release_sock(sk);
next: