Bluetooth: Move more vars to struct l2cap_chan

In this commit all ERTM and Streaming Mode specific vars.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 684deee..02db902 100644 (file)
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -297,6 +297,14 @@ struct l2cap_chan {
        __u8            num_conf_req;
        __u8            num_conf_rsp;
 
+       __u8            fcs;
+
+       __u8            tx_win;
+       __u8            max_tx;
+       __u16           retrans_timeout;
+       __u16           monitor_timeout;
+       __u16           mps;
+
        __u8            conf_state;
        __u16           conn_state;
 
@@ -376,14 +384,6 @@ struct l2cap_pinfo {
        __u16           flush_to;
        __u8            mode;
 
-       __u8            fcs;
-
-       __u8            tx_win;
-       __u8            max_tx;
-       __u16           retrans_timeout;
-       __u16           monitor_timeout;
-       __u16           mps;
-
        __le16          sport;
 
        struct l2cap_conn       *conn;
@@ -452,7 +452,7 @@ int __l2cap_wait_ack(struct sock *sk);
 
 struct sk_buff *l2cap_create_connless_pdu(struct sock *sk, struct msghdr *msg, size_t len);
 struct sk_buff *l2cap_create_basic_pdu(struct sock *sk, struct msghdr *msg, size_t len);
-struct sk_buff *l2cap_create_iframe_pdu(struct sock *sk, struct msghdr *msg, size_t len, u16 control, u16 sdulen);
+struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len, u16 control, u16 sdulen);
 int l2cap_sar_segment_sdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len);
 void l2cap_do_send(struct l2cap_chan *chan, struct sk_buff *skb);
 void l2cap_streaming_send(struct l2cap_chan *chan);

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 0fc6bbe..cb3c4ed 100644 (file)
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -359,7 +359,7 @@ static inline void l2cap_send_sframe(struct l2cap_chan *chan, u16 control)
        if (sk->sk_state != BT_CONNECTED)
                return;
 
-       if (pi->fcs == L2CAP_FCS_CRC16)
+       if (chan->fcs == L2CAP_FCS_CRC16)
                hlen += 2;
 
        BT_DBG("chan %p, control 0x%2.2x", chan, control);
@@ -386,7 +386,7 @@ static inline void l2cap_send_sframe(struct l2cap_chan *chan, u16 control)
        lh->cid = cpu_to_le16(pi->dcid);
        put_unaligned_le16(control, skb_put(skb, 2));
 
-       if (pi->fcs == L2CAP_FCS_CRC16) {
+       if (chan->fcs == L2CAP_FCS_CRC16) {
                u16 fcs = crc16(0, (u8 *)lh, count - 2);
                put_unaligned_le16(fcs, skb_put(skb, 2));
        }
@@ -1022,9 +1022,7 @@ void l2cap_do_send(struct l2cap_chan *chan, struct sk_buff *skb)
 
 void l2cap_streaming_send(struct l2cap_chan *chan)
 {
-       struct sock *sk = chan->sk;
        struct sk_buff *skb;
-       struct l2cap_pinfo *pi = l2cap_pi(sk);
        u16 control, fcs;
 
        while ((skb = skb_dequeue(&chan->tx_q))) {
@@ -1032,7 +1030,7 @@ void l2cap_streaming_send(struct l2cap_chan *chan)
                control |= chan->next_tx_seq << L2CAP_CTRL_TXSEQ_SHIFT;
                put_unaligned_le16(control, skb->data + L2CAP_HDR_SIZE);
 
-               if (pi->fcs == L2CAP_FCS_CRC16) {
+               if (chan->fcs == L2CAP_FCS_CRC16) {
                        fcs = crc16(0, (u8 *)skb->data, skb->len - 2);
                        put_unaligned_le16(fcs, skb->data + skb->len - 2);
                }
@@ -1084,7 +1082,7 @@ static void l2cap_retransmit_one_frame(struct l2cap_chan *chan, u8 tx_seq)
 
        put_unaligned_le16(control, tx_skb->data + L2CAP_HDR_SIZE);
 
-       if (pi->fcs == L2CAP_FCS_CRC16) {
+       if (chan->fcs == L2CAP_FCS_CRC16) {
                fcs = crc16(0, (u8 *)tx_skb->data, tx_skb->len - 2);
                put_unaligned_le16(fcs, tx_skb->data + tx_skb->len - 2);
        }
@@ -1127,7 +1125,7 @@ int l2cap_ertm_send(struct l2cap_chan *chan)
                put_unaligned_le16(control, tx_skb->data + L2CAP_HDR_SIZE);
 
 
-               if (pi->fcs == L2CAP_FCS_CRC16) {
+               if (chan->fcs == L2CAP_FCS_CRC16) {
                        fcs = crc16(0, (u8 *)skb->data, tx_skb->len - 2);
                        put_unaligned_le16(fcs, skb->data + tx_skb->len - 2);
                }
@@ -1290,8 +1288,9 @@ struct sk_buff *l2cap_create_basic_pdu(struct sock *sk, struct msghdr *msg, size
        return skb;
 }
 
-struct sk_buff *l2cap_create_iframe_pdu(struct sock *sk, struct msghdr *msg, size_t len, u16 control, u16 sdulen)
+struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len, u16 control, u16 sdulen)
 {
+       struct sock *sk = chan->sk;
        struct l2cap_conn *conn = l2cap_pi(sk)->conn;
        struct sk_buff *skb;
        int err, count, hlen = L2CAP_HDR_SIZE + 2;
@@ -1305,7 +1304,7 @@ struct sk_buff *l2cap_create_iframe_pdu(struct sock *sk, struct msghdr *msg, siz
        if (sdulen)
                hlen += 2;
 
-       if (l2cap_pi(sk)->fcs == L2CAP_FCS_CRC16)
+       if (chan->fcs == L2CAP_FCS_CRC16)
                hlen += 2;
 
        count = min_t(unsigned int, (conn->mtu - hlen), len);
@@ -1328,7 +1327,7 @@ struct sk_buff *l2cap_create_iframe_pdu(struct sock *sk, struct msghdr *msg, siz
                return ERR_PTR(err);
        }
 
-       if (l2cap_pi(sk)->fcs == L2CAP_FCS_CRC16)
+       if (chan->fcs == L2CAP_FCS_CRC16)
                put_unaligned_le16(0, skb_put(skb, 2));
 
        bt_cb(skb)->retries = 0;
@@ -1337,7 +1336,6 @@ struct sk_buff *l2cap_create_iframe_pdu(struct sock *sk, struct msghdr *msg, siz
 
 int l2cap_sar_segment_sdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len)
 {
-       struct sock *sk = chan->sk;
        struct sk_buff *skb;
        struct sk_buff_head sar_queue;
        u16 control;
@@ -1345,7 +1343,7 @@ int l2cap_sar_segment_sdu(struct l2cap_chan *chan, struct msghdr *msg, size_t le
 
        skb_queue_head_init(&sar_queue);
        control = L2CAP_SDU_START;
-       skb = l2cap_create_iframe_pdu(sk, msg, chan->remote_mps, control, len);
+       skb = l2cap_create_iframe_pdu(chan, msg, chan->remote_mps, control, len);
        if (IS_ERR(skb))
                return PTR_ERR(skb);
 
@@ -1364,7 +1362,7 @@ int l2cap_sar_segment_sdu(struct l2cap_chan *chan, struct msghdr *msg, size_t le
                        buflen = len;
                }
 
-               skb = l2cap_create_iframe_pdu(sk, msg, buflen, control, 0);
+               skb = l2cap_create_iframe_pdu(chan, msg, buflen, control, 0);
                if (IS_ERR(skb)) {
                        skb_queue_purge(&sar_queue);
                        return PTR_ERR(skb);
@@ -1654,8 +1652,8 @@ done:
 
        case L2CAP_MODE_ERTM:
                rfc.mode            = L2CAP_MODE_ERTM;
-               rfc.txwin_size      = pi->tx_win;
-               rfc.max_transmit    = pi->max_tx;
+               rfc.txwin_size      = chan->tx_win;
+               rfc.max_transmit    = chan->max_tx;
                rfc.retrans_timeout = 0;
                rfc.monitor_timeout = 0;
                rfc.max_pdu_size    = cpu_to_le16(L2CAP_DEFAULT_MAX_PDU_SIZE);
@@ -1668,10 +1666,10 @@ done:
                if (!(pi->conn->feat_mask & L2CAP_FEAT_FCS))
                        break;
 
-               if (pi->fcs == L2CAP_FCS_NONE ||
+               if (chan->fcs == L2CAP_FCS_NONE ||
                                chan->conf_state & L2CAP_CONF_NO_FCS_RECV) {
-                       pi->fcs = L2CAP_FCS_NONE;
-                       l2cap_add_conf_opt(&ptr, L2CAP_CONF_FCS, 1, pi->fcs);
+                       chan->fcs = L2CAP_FCS_NONE;
+                       l2cap_add_conf_opt(&ptr, L2CAP_CONF_FCS, 1, chan->fcs);
                }
                break;
 
@@ -1691,10 +1689,10 @@ done:
                if (!(pi->conn->feat_mask & L2CAP_FEAT_FCS))
                        break;
 
-               if (pi->fcs == L2CAP_FCS_NONE ||
+               if (chan->fcs == L2CAP_FCS_NONE ||
                                chan->conf_state & L2CAP_CONF_NO_FCS_RECV) {
-                       pi->fcs = L2CAP_FCS_NONE;
-                       l2cap_add_conf_opt(&ptr, L2CAP_CONF_FCS, 1, pi->fcs);
+                       chan->fcs = L2CAP_FCS_NONE;
+                       l2cap_add_conf_opt(&ptr, L2CAP_CONF_FCS, 1, chan->fcs);
                }
                break;
        }
@@ -1804,7 +1802,7 @@ done:
 
                switch (rfc.mode) {
                case L2CAP_MODE_BASIC:
-                       pi->fcs = L2CAP_FCS_NONE;
+                       chan->fcs = L2CAP_FCS_NONE;
                        chan->conf_state |= L2CAP_CONF_MODE_DONE;
                        break;
 
@@ -1898,7 +1896,7 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi
                                                        rfc.mode != pi->mode)
                                return -ECONNREFUSED;
 
-                       pi->fcs = 0;
+                       chan->fcs = 0;
 
                        l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC,
                                        sizeof(rfc), (unsigned long) &rfc);
@@ -1914,12 +1912,12 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi
        if (*result == L2CAP_CONF_SUCCESS) {
                switch (rfc.mode) {
                case L2CAP_MODE_ERTM:
-                       pi->retrans_timeout = le16_to_cpu(rfc.retrans_timeout);
-                       pi->monitor_timeout = le16_to_cpu(rfc.monitor_timeout);
-                       pi->mps    = le16_to_cpu(rfc.max_pdu_size);
+                       chan->retrans_timeout = le16_to_cpu(rfc.retrans_timeout);
+                       chan->monitor_timeout = le16_to_cpu(rfc.monitor_timeout);
+                       chan->mps    = le16_to_cpu(rfc.max_pdu_size);
                        break;
                case L2CAP_MODE_STREAMING:
-                       pi->mps    = le16_to_cpu(rfc.max_pdu_size);
+                       chan->mps    = le16_to_cpu(rfc.max_pdu_size);
                }
        }
 
@@ -1968,14 +1966,14 @@ void __l2cap_connect_rsp_defer(struct sock *sk)
        chan->num_conf_req++;
 }
 
-static void l2cap_conf_rfc_get(struct sock *sk, void *rsp, int len)
+static void l2cap_conf_rfc_get(struct l2cap_chan *chan, void *rsp, int len)
 {
-       struct l2cap_pinfo *pi = l2cap_pi(sk);
+       struct l2cap_pinfo *pi = l2cap_pi(chan->sk);
        int type, olen;
        unsigned long val;
        struct l2cap_conf_rfc rfc;
 
-       BT_DBG("sk %p, rsp %p, len %d", sk, rsp, len);
+       BT_DBG("chan %p, rsp %p, len %d", chan, rsp, len);
 
        if ((pi->mode != L2CAP_MODE_ERTM) && (pi->mode != L2CAP_MODE_STREAMING))
                return;
@@ -1994,12 +1992,12 @@ static void l2cap_conf_rfc_get(struct sock *sk, void *rsp, int len)
 done:
        switch (rfc.mode) {
        case L2CAP_MODE_ERTM:
-               pi->retrans_timeout = le16_to_cpu(rfc.retrans_timeout);
-               pi->monitor_timeout = le16_to_cpu(rfc.monitor_timeout);
-               pi->mps    = le16_to_cpu(rfc.max_pdu_size);
+               chan->retrans_timeout = le16_to_cpu(rfc.retrans_timeout);
+               chan->monitor_timeout = le16_to_cpu(rfc.monitor_timeout);
+               chan->mps    = le16_to_cpu(rfc.max_pdu_size);
                break;
        case L2CAP_MODE_STREAMING:
-               pi->mps    = le16_to_cpu(rfc.max_pdu_size);
+               chan->mps    = le16_to_cpu(rfc.max_pdu_size);
        }
 }
 
@@ -2227,15 +2225,17 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd
        return 0;
 }
 
-static inline void set_default_fcs(struct l2cap_pinfo *pi)
+static inline void set_default_fcs(struct l2cap_chan *chan)
 {
+       struct l2cap_pinfo *pi = l2cap_pi(chan->sk);
+
        /* FCS is enabled only in ERTM or streaming mode, if one or both
         * sides request it.
         */
        if (pi->mode != L2CAP_MODE_ERTM && pi->mode != L2CAP_MODE_STREAMING)
-               pi->fcs = L2CAP_FCS_NONE;
+               chan->fcs = L2CAP_FCS_NONE;
        else if (!(pi->chan->conf_state & L2CAP_CONF_NO_FCS_RECV))
-               pi->fcs = L2CAP_FCS_CRC16;
+               chan->fcs = L2CAP_FCS_CRC16;
 }
 
 static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u16 cmd_len, u8 *data)
@@ -2305,7 +2305,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
                goto unlock;
 
        if (chan->conf_state & L2CAP_CONF_INPUT_DONE) {
-               set_default_fcs(l2cap_pi(sk));
+               set_default_fcs(chan);
 
                sk->sk_state = BT_CONNECTED;
 
@@ -2355,7 +2355,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
 
        switch (result) {
        case L2CAP_CONF_SUCCESS:
-               l2cap_conf_rfc_get(sk, rsp->data, len);
+               l2cap_conf_rfc_get(chan, rsp->data, len);
                break;
 
        case L2CAP_CONF_UNACCEPT:
@@ -2397,7 +2397,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
        chan->conf_state |= L2CAP_CONF_INPUT_DONE;
 
        if (chan->conf_state & L2CAP_CONF_OUTPUT_DONE) {
-               set_default_fcs(l2cap_pi(sk));
+               set_default_fcs(chan);
 
                sk->sk_state = BT_CONNECTED;
                chan->next_tx_seq = 0;
@@ -2769,12 +2769,12 @@ static inline void l2cap_sig_channel(struct l2cap_conn *conn,
        kfree_skb(skb);
 }
 
-static int l2cap_check_fcs(struct l2cap_pinfo *pi,  struct sk_buff *skb)
+static int l2cap_check_fcs(struct l2cap_chan *chan,  struct sk_buff *skb)
 {
        u16 our_fcs, rcv_fcs;
        int hdr_size = L2CAP_HDR_SIZE + 2;
 
-       if (pi->fcs == L2CAP_FCS_CRC16) {
+       if (chan->fcs == L2CAP_FCS_CRC16) {
                skb_trim(skb, skb->len - 2);
                rcv_fcs = get_unaligned_le16(skb->data + skb->len);
                our_fcs = crc16(0, skb->data - hdr_size, skb->len + hdr_size);
@@ -3241,7 +3241,7 @@ static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_cont
        u8 req_seq = __get_reqseq(rx_control);
        u8 sar = rx_control >> L2CAP_CTRL_SAR_SHIFT;
        int tx_seq_offset, expected_tx_seq_offset;
-       int num_to_ack = (pi->tx_win/6) + 1;
+       int num_to_ack = (chan->tx_win/6) + 1;
        int err = 0;
 
        BT_DBG("chan %p len %d tx_seq %d rx_control 0x%4.4x", chan, skb->len,
@@ -3266,7 +3266,7 @@ static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_cont
                tx_seq_offset += 64;
 
        /* invalid tx_seq */
-       if (tx_seq_offset >= pi->tx_win) {
+       if (tx_seq_offset >= chan->tx_win) {
                l2cap_send_disconn_req(pi->conn, chan, ECONNRESET);
                goto drop;
        }
@@ -3548,16 +3548,16 @@ static int l2cap_ertm_data_rcv(struct sock *sk, struct sk_buff *skb)
         * Receiver will miss it and start proper recovery
         * procedures and ask retransmission.
         */
-       if (l2cap_check_fcs(pi, skb))
+       if (l2cap_check_fcs(chan, skb))
                goto drop;
 
        if (__is_sar_start(control) && __is_iframe(control))
                len -= 2;
 
-       if (pi->fcs == L2CAP_FCS_CRC16)
+       if (chan->fcs == L2CAP_FCS_CRC16)
                len -= 2;
 
-       if (len > pi->mps) {
+       if (len > chan->mps) {
                l2cap_send_disconn_req(pi->conn, chan, ECONNRESET);
                goto drop;
        }
@@ -3654,16 +3654,16 @@ static inline int l2cap_data_channel(struct l2cap_conn *conn, u16 cid, struct sk
                skb_pull(skb, 2);
                len = skb->len;
 
-               if (l2cap_check_fcs(pi, skb))
+               if (l2cap_check_fcs(chan, skb))
                        goto drop;
 
                if (__is_sar_start(control))
                        len -= 2;
 
-               if (pi->fcs == L2CAP_FCS_CRC16)
+               if (chan->fcs == L2CAP_FCS_CRC16)
                        len -= 2;
 
-               if (len > pi->mps || len < 0 || __is_sframe(control))
+               if (len > chan->mps || len < 0 || __is_sframe(control))
                        goto drop;
 
                tx_seq = __get_txseq(control);

diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 6129556..4ba15b3 100644 (file)
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -403,9 +403,9 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us
                opts.omtu     = l2cap_pi(sk)->omtu;
                opts.flush_to = l2cap_pi(sk)->flush_to;
                opts.mode     = l2cap_pi(sk)->mode;
-               opts.fcs      = l2cap_pi(sk)->fcs;
-               opts.max_tx   = l2cap_pi(sk)->max_tx;
-               opts.txwin_size = (__u16)l2cap_pi(sk)->tx_win;
+               opts.fcs      = chan->fcs;
+               opts.max_tx   = chan->max_tx;
+               opts.txwin_size = (__u16)chan->tx_win;
 
                len = min_t(unsigned int, len, sizeof(opts));
                if (copy_to_user(optval, (char *) &opts, len))
@@ -551,9 +551,9 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us
                opts.omtu     = l2cap_pi(sk)->omtu;
                opts.flush_to = l2cap_pi(sk)->flush_to;
                opts.mode     = l2cap_pi(sk)->mode;
-               opts.fcs      = l2cap_pi(sk)->fcs;
-               opts.max_tx   = l2cap_pi(sk)->max_tx;
-               opts.txwin_size = (__u16)l2cap_pi(sk)->tx_win;
+               opts.fcs      = chan->fcs;
+               opts.max_tx   = chan->max_tx;
+               opts.txwin_size = (__u16)chan->tx_win;
 
                len = min_t(unsigned int, sizeof(opts), optlen);
                if (copy_from_user((char *) &opts, optval, len)) {
@@ -583,9 +583,9 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us
 
                l2cap_pi(sk)->imtu = opts.imtu;
                l2cap_pi(sk)->omtu = opts.omtu;
-               l2cap_pi(sk)->fcs  = opts.fcs;
-               l2cap_pi(sk)->max_tx = opts.max_tx;
-               l2cap_pi(sk)->tx_win = (__u8)opts.txwin_size;
+               chan->fcs  = opts.fcs;
+               chan->max_tx = opts.max_tx;
+               chan->tx_win = (__u8)opts.txwin_size;
                break;
 
        case L2CAP_LM:
@@ -764,7 +764,8 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
                /* Entire SDU fits into one PDU */
                if (len <= pi->chan->remote_mps) {
                        control = L2CAP_SDU_UNSEGMENTED;
-                       skb = l2cap_create_iframe_pdu(sk, msg, len, control, 0);
+                       skb = l2cap_create_iframe_pdu(pi->chan, msg, len,
+                                                               control, 0);
                        if (IS_ERR(skb)) {
                                err = PTR_ERR(skb);
                                goto done;
@@ -998,9 +999,9 @@ void l2cap_sock_init(struct sock *sk, struct sock *parent)
                pi->omtu = l2cap_pi(parent)->omtu;
                chan->conf_state = pchan->conf_state;
                pi->mode = l2cap_pi(parent)->mode;
-               pi->fcs  = l2cap_pi(parent)->fcs;
-               pi->max_tx = l2cap_pi(parent)->max_tx;
-               pi->tx_win = l2cap_pi(parent)->tx_win;
+               chan->fcs  = pchan->fcs;
+               chan->max_tx = pchan->max_tx;
+               chan->tx_win = pchan->tx_win;
                chan->sec_level = pchan->sec_level;
                chan->role_switch = pchan->role_switch;
                chan->force_reliable = pchan->force_reliable;
@@ -1014,9 +1015,9 @@ void l2cap_sock_init(struct sock *sk, struct sock *parent)
                } else {
                        pi->mode = L2CAP_MODE_BASIC;
                }
-               pi->max_tx = L2CAP_DEFAULT_MAX_TX;
-               pi->fcs  = L2CAP_FCS_CRC16;
-               pi->tx_win = L2CAP_DEFAULT_TX_WINDOW;
+               chan->max_tx = L2CAP_DEFAULT_MAX_TX;
+               chan->fcs  = L2CAP_FCS_CRC16;
+               chan->tx_win = L2CAP_DEFAULT_TX_WINDOW;
                chan->sec_level = BT_SECURITY_LOW;
                chan->role_switch = 0;
                chan->force_reliable = 0;

diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index c997393..4f728a4 100644 (file)
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -711,7 +711,7 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src,
        sk = sock->sk;
        lock_sock(sk);
        l2cap_pi(sk)->imtu = l2cap_mtu;
-       l2cap_pi(sk)->sec_level = sec_level;
+       l2cap_pi(sk)->chan->sec_level = sec_level;
        if (l2cap_ertm)
                l2cap_pi(sk)->mode = L2CAP_MODE_ERTM;
        release_sock(sk);