Return-Path: From: Emeltchenko Andrei To: linux-bluetooth@vger.kernel.org Subject: [RFCv5 07/16] Bluetooth: Add socket error function Date: Fri, 17 Feb 2012 15:44:03 +0200 Message-Id: <1329486252-25252-8-git-send-email-Andrei.Emeltchenko.news@gmail.com> In-Reply-To: <1329486252-25252-1-git-send-email-Andrei.Emeltchenko.news@gmail.com> References: <1329486252-25252-1-git-send-email-Andrei.Emeltchenko.news@gmail.com> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: From: Andrei Emeltchenko Use locked and unlocked versions to help removing socket locks from l2cap core functions. Signed-off-by: Andrei Emeltchenko --- net/bluetooth/l2cap_core.c | 30 +++++++++++++++++++++--------- 1 files changed, 21 insertions(+), 9 deletions(-) diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index a206a24..1e3ebc5 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -217,6 +217,22 @@ static void l2cap_state_change(struct l2cap_chan *chan, int state) release_sock(sk); } +static inline void __l2cap_chan_set_err(struct l2cap_chan *chan, int err) +{ + struct sock *sk = chan->sk; + + sk->sk_err = err; +} + +static inline void l2cap_chan_set_err(struct l2cap_chan *chan, int err) +{ + struct sock *sk = chan->sk; + + lock_sock(sk); + __l2cap_chan_set_err(chan, err); + release_sock(sk); +} + static void l2cap_chan_timeout(struct work_struct *work) { struct l2cap_chan *chan = container_of(work, struct l2cap_chan, @@ -361,7 +377,7 @@ static void l2cap_chan_del(struct l2cap_chan *chan, int err) sock_set_flag(sk, SOCK_ZAPPED); if (err) - sk->sk_err = err; + __l2cap_chan_set_err(chan, err); if (parent) { bt_accept_unlink(sk); @@ -694,14 +710,11 @@ static inline int l2cap_mode_supported(__u8 mode, __u32 feat_mask) static void l2cap_send_disconn_req(struct l2cap_conn *conn, struct l2cap_chan *chan, int err) { - struct sock *sk; struct l2cap_disconn_req req; if (!conn) return; - sk = chan->sk; - if (chan->mode == L2CAP_MODE_ERTM) { __clear_retrans_timer(chan); __clear_monitor_timer(chan); @@ -714,7 +727,7 @@ static void l2cap_send_disconn_req(struct l2cap_conn *conn, struct l2cap_chan *c L2CAP_DISCONN_REQ, sizeof(req), &req); __l2cap_state_change(chan, BT_DISCONN); - sk->sk_err = err; + __l2cap_chan_set_err(chan, err); } /* ---- L2CAP connections ---- */ @@ -953,10 +966,8 @@ static void l2cap_conn_unreliable(struct l2cap_conn *conn, int err) mutex_lock(&conn->chan_lock); list_for_each_entry(chan, &conn->chan_l, list) { - struct sock *sk = chan->sk; - if (test_bit(FLAG_FORCE_RELIABLE, &chan->flags)) - sk->sk_err = err; + __l2cap_chan_set_err(chan, err); } mutex_unlock(&conn->chan_lock); @@ -2987,7 +2998,8 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr } default: - sk->sk_err = ECONNRESET; + __l2cap_chan_set_err(chan, ECONNRESET); + __set_chan_timer(chan, msecs_to_jiffies(L2CAP_DISC_REJ_TIMEOUT)); l2cap_send_disconn_req(conn, chan, ECONNRESET); -- 1.7.9