From aa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 Mon Sep 17 00:00:00 2001 From: merge Date: Thu, 22 Jan 2009 13:55:32 +0000 Subject: MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage: From: merge MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage: From: merge MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage: From: Andy Green fix-stray-endmenu.patch Signed-off-by: Andy Green --- net/bluetooth/rfcomm/core.c | 7 ------- net/bluetooth/rfcomm/sock.c | 9 ++------- net/bluetooth/rfcomm/tty.c | 48 ++++++++++++++++++++++++++------------------- 3 files changed, 30 insertions(+), 34 deletions(-) (limited to 'net/bluetooth/rfcomm') diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c index ba537fae0a4..acd84fd524b 100644 --- a/net/bluetooth/rfcomm/core.c +++ b/net/bluetooth/rfcomm/core.c @@ -46,11 +46,6 @@ #include #include -#ifndef CONFIG_BT_RFCOMM_DEBUG -#undef BT_DBG -#define BT_DBG(D...) -#endif - #define VERSION "1.10" static int disable_cfc = 0; @@ -1786,8 +1781,6 @@ static inline void rfcomm_accept_connection(struct rfcomm_session *s) if (err < 0) return; - __module_get(nsock->ops->owner); - /* Set our callbacks */ nsock->sk->sk_data_ready = rfcomm_l2data_ready; nsock->sk->sk_state_change = rfcomm_l2state_change; diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index 8a972b6ba85..d3fc6fca38d 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -50,11 +50,6 @@ #include #include -#ifndef CONFIG_BT_RFCOMM_DEBUG -#undef BT_DBG -#define BT_DBG(D...) -#endif - static const struct proto_ops rfcomm_sock_ops; static struct bt_sock_list rfcomm_sk_list = { @@ -644,7 +639,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock, msg->msg_namelen = 0; - BT_DBG("sk %p size %d", sk, size); + BT_DBG("sk %p size %zu", sk, size); lock_sock(sk); @@ -792,7 +787,7 @@ static int rfcomm_sock_getsockopt(struct socket *sock, int level, int optname, c static int rfcomm_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) { - struct sock *sk = sock->sk; + struct sock *sk __maybe_unused = sock->sk; int err; BT_DBG("sk %p cmd %x arg %lx", sk, cmd, arg); diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c index d3340dd52bc..d030c69cb5a 100644 --- a/net/bluetooth/rfcomm/tty.c +++ b/net/bluetooth/rfcomm/tty.c @@ -39,11 +39,6 @@ #include #include -#ifndef CONFIG_BT_RFCOMM_DEBUG -#undef BT_DBG -#define BT_DBG(D...) -#endif - #define RFCOMM_TTY_MAGIC 0x6d02 /* magic number for rfcomm struct */ #define RFCOMM_TTY_PORTS RFCOMM_MAX_DEV /* whole lotta rfcomm devices */ #define RFCOMM_TTY_MAJOR 216 /* device node major id of the usb/bluetooth.c driver */ @@ -58,7 +53,7 @@ struct rfcomm_dev { char name[12]; int id; unsigned long flags; - int opened; + atomic_t opened; int err; bdaddr_t src; @@ -261,6 +256,8 @@ static int rfcomm_dev_add(struct rfcomm_dev_req *req, struct rfcomm_dlc *dlc) dev->flags = req->flags & ((1 << RFCOMM_RELEASE_ONHUP) | (1 << RFCOMM_REUSE_DLC)); + atomic_set(&dev->opened, 0); + init_waitqueue_head(&dev->wait); tasklet_init(&dev->wakeup_task, rfcomm_tty_wakeup, (unsigned long) dev); @@ -301,18 +298,15 @@ static int rfcomm_dev_add(struct rfcomm_dev_req *req, struct rfcomm_dlc *dlc) out: write_unlock_bh(&rfcomm_dev_lock); - if (err < 0) { - kfree(dev); - return err; - } + if (err < 0) + goto free; dev->tty_dev = tty_register_device(rfcomm_tty_driver, dev->id, NULL); if (IS_ERR(dev->tty_dev)) { err = PTR_ERR(dev->tty_dev); list_del(&dev->list); - kfree(dev); - return err; + goto free; } dev_set_drvdata(dev->tty_dev, dev); @@ -324,16 +318,20 @@ out: BT_ERR("Failed to create channel attribute"); return dev->id; + +free: + kfree(dev); + return err; } static void rfcomm_dev_del(struct rfcomm_dev *dev) { BT_DBG("dev %p", dev); - if (test_bit(RFCOMM_TTY_RELEASED, &dev->flags)) - BUG_ON(1); - else - set_bit(RFCOMM_TTY_RELEASED, &dev->flags); + BUG_ON(test_and_set_bit(RFCOMM_TTY_RELEASED, &dev->flags)); + + if (atomic_read(&dev->opened) > 0) + return; write_lock_bh(&rfcomm_dev_lock); list_del_init(&dev->list); @@ -689,9 +687,10 @@ static int rfcomm_tty_open(struct tty_struct *tty, struct file *filp) if (!dev) return -ENODEV; - BT_DBG("dev %p dst %s channel %d opened %d", dev, batostr(&dev->dst), dev->channel, dev->opened); + BT_DBG("dev %p dst %s channel %d opened %d", dev, batostr(&dev->dst), + dev->channel, atomic_read(&dev->opened)); - if (dev->opened++ != 0) + if (atomic_inc_return(&dev->opened) > 1) return 0; dlc = dev->dlc; @@ -747,9 +746,10 @@ static void rfcomm_tty_close(struct tty_struct *tty, struct file *filp) if (!dev) return; - BT_DBG("tty %p dev %p dlc %p opened %d", tty, dev, dev->dlc, dev->opened); + BT_DBG("tty %p dev %p dlc %p opened %d", tty, dev, dev->dlc, + atomic_read(&dev->opened)); - if (--dev->opened == 0) { + if (atomic_dec_and_test(&dev->opened)) { if (dev->tty_dev->parent) device_move(dev->tty_dev, NULL); @@ -763,6 +763,14 @@ static void rfcomm_tty_close(struct tty_struct *tty, struct file *filp) tty->driver_data = NULL; dev->tty = NULL; rfcomm_dlc_unlock(dev->dlc); + + if (test_bit(RFCOMM_TTY_RELEASED, &dev->flags)) { + write_lock_bh(&rfcomm_dev_lock); + list_del_init(&dev->list); + write_unlock_bh(&rfcomm_dev_lock); + + rfcomm_dev_put(dev); + } } rfcomm_dev_put(dev); -- cgit v1.2.3