6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Geliang Tang <geliang.tang@xxxxxxxx> commit dc886bce753cc2cf3c88ec5c7a6880a4e17d65ba upstream. Rename local_address() with "mptcp_" prefix and export it in protocol.h. This function will be re-used in the common PM code (pm.c) in the following commit. Signed-off-by: Geliang Tang <geliang.tang@xxxxxxxx> Reviewed-by: Matthieu Baerts <matthieu.baerts@xxxxxxxxxxxx> Signed-off-by: Matthieu Baerts <matthieu.baerts@xxxxxxxxxxxx> Reviewed-by: Larysa Zaremba <larysa.zaremba@xxxxxxxxx> Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Stable-dep-of: 6834097fc38c ("mptcp: pm: fix backup support in signal endpoints") Signed-off-by: Matthieu Baerts (NGI0) <matttbe@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/mptcp/pm_netlink.c | 17 ++++++++--------- net/mptcp/protocol.h | 1 + 2 files changed, 9 insertions(+), 9 deletions(-) --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -86,8 +86,7 @@ bool mptcp_addresses_equal(const struct return a->port == b->port; } -static void local_address(const struct sock_common *skc, - struct mptcp_addr_info *addr) +void mptcp_local_address(const struct sock_common *skc, struct mptcp_addr_info *addr) { addr->family = skc->skc_family; addr->port = htons(skc->skc_num); @@ -122,7 +121,7 @@ static bool lookup_subflow_by_saddr(cons list_for_each_entry(subflow, list, node) { skc = (struct sock_common *)mptcp_subflow_tcp_sock(subflow); - local_address(skc, &cur); + mptcp_local_address(skc, &cur); if (mptcp_addresses_equal(&cur, saddr, saddr->port)) return true; } @@ -274,7 +273,7 @@ bool mptcp_pm_sport_in_anno_list(struct struct mptcp_addr_info saddr; bool ret = false; - local_address((struct sock_common *)sk, &saddr); + mptcp_local_address((struct sock_common *)sk, &saddr); spin_lock_bh(&msk->pm.lock); list_for_each_entry(entry, &msk->pm.anno_list, list) { @@ -545,7 +544,7 @@ static void mptcp_pm_create_subflow_or_s struct mptcp_addr_info mpc_addr; bool backup = false; - local_address((struct sock_common *)msk->first, &mpc_addr); + mptcp_local_address((struct sock_common *)msk->first, &mpc_addr); rcu_read_lock(); entry = __lookup_addr(pernet, &mpc_addr, false); if (entry) { @@ -753,7 +752,7 @@ int mptcp_pm_nl_mp_prio_send_ack(struct struct sock *ssk = mptcp_subflow_tcp_sock(subflow); struct mptcp_addr_info local, remote; - local_address((struct sock_common *)ssk, &local); + mptcp_local_address((struct sock_common *)ssk, &local); if (!mptcp_addresses_equal(&local, addr, addr->port)) continue; @@ -1072,8 +1071,8 @@ int mptcp_pm_nl_get_local_id(struct mptc /* The 0 ID mapping is defined by the first subflow, copied into the msk * addr */ - local_address((struct sock_common *)msk, &msk_local); - local_address((struct sock_common *)skc, &skc_local); + mptcp_local_address((struct sock_common *)msk, &msk_local); + mptcp_local_address((struct sock_common *)skc, &skc_local); if (mptcp_addresses_equal(&msk_local, &skc_local, false)) return 0; @@ -1507,7 +1506,7 @@ static int mptcp_nl_remove_id_zero_addre if (list_empty(&msk->conn_list) || mptcp_pm_is_userspace(msk)) goto next; - local_address((struct sock_common *)msk, &msk_local); + mptcp_local_address((struct sock_common *)msk, &msk_local); if (!mptcp_addresses_equal(&msk_local, addr, addr->port)) goto next; --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -618,6 +618,7 @@ void __mptcp_unaccepted_force_close(stru bool mptcp_addresses_equal(const struct mptcp_addr_info *a, const struct mptcp_addr_info *b, bool use_port); +void mptcp_local_address(const struct sock_common *skc, struct mptcp_addr_info *addr); /* called with sk socket lock held */ int __mptcp_subflow_connect(struct sock *sk, const struct mptcp_addr_info *loc,