From d58daf42d29a3a4a4d4be46cf47ceee096789680 Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Thu, 15 Jan 2009 21:52:14 +0100 Subject: Bluetooth: Preparation for usage of SOL_BLUETOOTH The socket option levels SOL_L2CAP, SOL_RFOMM and SOL_SCO are currently in use by various Bluetooth applications. Going forward the common option level SOL_BLUETOOTH should be used. This patch prepares the clean split of the old and new option levels while keeping everything backward compatibility. Signed-off-by: Marcel Holtmann --- net/bluetooth/l2cap.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 49 insertions(+), 2 deletions(-) (limited to 'net/bluetooth/l2cap.c') diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index b93748e..df1a95e 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -1106,7 +1106,7 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms return err; } -static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, int optlen) +static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __user *optval, int optlen) { struct sock *sk = sock->sk; struct l2cap_options opts; @@ -1152,7 +1152,29 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch return err; } -static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen) +static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, int optlen) +{ + struct sock *sk = sock->sk; + int err = 0; + + BT_DBG("sk %p", sk); + + if (level == SOL_L2CAP) + return l2cap_sock_setsockopt_old(sock, optname, optval, optlen); + + lock_sock(sk); + + switch (optname) { + default: + err = -ENOPROTOOPT; + break; + } + + release_sock(sk); + return err; +} + +static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __user *optval, int __user *optlen) { struct sock *sk = sock->sk; struct l2cap_options opts; @@ -1208,6 +1230,31 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch return err; } +static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen) +{ + struct sock *sk = sock->sk; + int len, err = 0; + + BT_DBG("sk %p", sk); + + if (level == SOL_L2CAP) + return l2cap_sock_getsockopt_old(sock, optname, optval, optlen); + + if (get_user(len, optlen)) + return -EFAULT; + + lock_sock(sk); + + switch (optname) { + default: + err = -ENOPROTOOPT; + break; + } + + release_sock(sk); + return err; +} + static int l2cap_sock_shutdown(struct socket *sock, int how) { struct sock *sk = sock->sk; -- cgit v1.1