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-rw-r--r--net/mptcp/pm_netlink.c16
-rwxr-xr-xtools/testing/selftests/net/mptcp/mptcp_join.sh4
2 files changed, 12 insertions, 8 deletions
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index 766a8409fa67..ea9e5817b9e9 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -677,6 +677,7 @@ static void mptcp_pm_nl_add_addr_received(struct mptcp_sock *msk)
unsigned int add_addr_accept_max;
struct mptcp_addr_info remote;
unsigned int subflows_max;
+ bool sf_created = false;
int i, nr;
add_addr_accept_max = mptcp_pm_get_add_addr_accept_max(msk);
@@ -704,15 +705,18 @@ static void mptcp_pm_nl_add_addr_received(struct mptcp_sock *msk)
if (nr == 0)
return;
- msk->pm.add_addr_accepted++;
- if (msk->pm.add_addr_accepted >= add_addr_accept_max ||
- msk->pm.subflows >= subflows_max)
- WRITE_ONCE(msk->pm.accept_addr, false);
-
spin_unlock_bh(&msk->pm.lock);
for (i = 0; i < nr; i++)
- __mptcp_subflow_connect(sk, &addrs[i], &remote);
+ if (__mptcp_subflow_connect(sk, &addrs[i], &remote) == 0)
+ sf_created = true;
spin_lock_bh(&msk->pm.lock);
+
+ if (sf_created) {
+ msk->pm.add_addr_accepted++;
+ if (msk->pm.add_addr_accepted >= add_addr_accept_max ||
+ msk->pm.subflows >= subflows_max)
+ WRITE_ONCE(msk->pm.accept_addr, false);
+ }
}
void mptcp_pm_nl_addr_send_ack(struct mptcp_sock *msk)
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index aea314d140c9..108aeeb84ef1 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -2249,10 +2249,10 @@ remove_tests()
if reset "remove invalid addresses"; then
pm_nl_set_limits $ns1 3 3
pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
- pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
# broadcast IP: no packet for this address will be received on ns1
pm_nl_add_endpoint $ns1 224.0.0.1 flags signal
- pm_nl_set_limits $ns2 3 3
+ pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
+ pm_nl_set_limits $ns2 2 2
addr_nr_ns1=-3 speed=10 \
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr 1 1 1