X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=net%2Fbluetooth%2Fl2cap.c;h=be5a6e60a3c4d095236aa626e2e74bc377dc54bc;hp=d56f60b392ac512b36a736f928844208ec88847a;hb=7386397636d49cd5f03da29432467d3e98cbad35;hpb=a23f4636c9ae7f1f15c448080f1552864b404136

diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index d56f60b392ac..be5a6e60a3c4 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -559,7 +559,7 @@ static int l2cap_sock_create(struct socket *sock, int protocol)
 
 	sock->ops = &l2cap_sock_ops;
 
-	sk = l2cap_sock_alloc(sock, protocol, GFP_KERNEL);
+	sk = l2cap_sock_alloc(sock, protocol, GFP_ATOMIC);
 	if (!sk)
 		return -ENOMEM;
 
@@ -770,7 +770,7 @@ static int l2cap_sock_accept(struct socket *sock, struct socket *newsock, int fl
 	long timeo;
 	int err = 0;
 
-	lock_sock(sk);
+	lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
 
 	if (sk->sk_state != BT_LISTEN) {
 		err = -EBADFD;
@@ -792,7 +792,7 @@ static int l2cap_sock_accept(struct socket *sock, struct socket *newsock, int fl
 
 		release_sock(sk);
 		timeo = schedule_timeout(timeo);
-		lock_sock(sk);
+		lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
 
 		if (sk->sk_state != BT_LISTEN) {
 			err = -EBADFD;
@@ -1353,12 +1353,12 @@ static inline int l2cap_conf_output(struct sock *sk, void **ptr)
 
 	/* Configure output options and let the other side know
 	 * which ones we don't like. */
-	if (pi->conf_mtu < pi->omtu) {
-		l2cap_add_conf_opt(ptr, L2CAP_CONF_MTU, 2, pi->omtu);
+	if (pi->conf_mtu < pi->omtu)
 		result = L2CAP_CONF_UNACCEPT;
-	} else {
+	else
 		pi->omtu = pi->conf_mtu;
-	}
+
+	l2cap_add_conf_opt(ptr, L2CAP_CONF_MTU, 2, pi->omtu);
 
 	BT_DBG("sk %p result %d", sk, result);
 	return result;
@@ -1533,6 +1533,9 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
 	if (!(sk = l2cap_get_chan_by_scid(&conn->chan_list, dcid)))
 		return -ENOENT;
 
+	if (sk->sk_state == BT_DISCONN)
+		goto unlock;
+
 	l2cap_parse_conf_req(sk, req->data, cmd->len - sizeof(*req));
 
 	if (flags & 0x0001) {
@@ -2147,8 +2150,8 @@ static ssize_t l2cap_sysfs_show(struct class *dev, char *buf)
 
 		str += sprintf(str, "%s %s %d %d 0x%4.4x 0x%4.4x %d %d 0x%x\n",
 				batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
-				sk->sk_state, pi->psm, pi->scid, pi->dcid, pi->imtu,
-				pi->omtu, pi->link_mode);
+				sk->sk_state, btohs(pi->psm), pi->scid, pi->dcid,
+				pi->imtu, pi->omtu, pi->link_mode);
 	}
 
 	read_unlock_bh(&l2cap_sk_list.lock);
@@ -2216,7 +2219,8 @@ static int __init l2cap_init(void)
 		goto error;
 	}
 
-	class_create_file(bt_class, &class_attr_l2cap);
+	if (class_create_file(bt_class, &class_attr_l2cap) < 0)
+		BT_ERR("Failed to create L2CAP info file");
 
 	BT_INFO("L2CAP ver %s", VERSION);
 	BT_INFO("L2CAP socket layer initialized");