diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/8021q/vlanproc.c | 2 | ||||
-rw-r--r-- | net/9p/trans_fd.c | 2 | ||||
-rw-r--r-- | net/bluetooth/rfcomm/tty.c | 10 | ||||
-rw-r--r-- | net/core/dev.c | 22 | ||||
-rw-r--r-- | net/core/dst.c | 4 | ||||
-rw-r--r-- | net/core/link_watch.c | 21 | ||||
-rw-r--r-- | net/core/neighbour.c | 2 | ||||
-rw-r--r-- | net/core/netprio_cgroup.c | 23 | ||||
-rw-r--r-- | net/core/sock.c | 15 | ||||
-rw-r--r-- | net/dns_resolver/dns_key.c | 3 | ||||
-rw-r--r-- | net/dsa/dsa.c | 2 | ||||
-rw-r--r-- | net/ipv4/inetpeer.c | 2 | ||||
-rw-r--r-- | net/irda/ircomm/ircomm_param.c | 5 | ||||
-rw-r--r-- | net/irda/ircomm/ircomm_tty.c | 320 | ||||
-rw-r--r-- | net/irda/ircomm/ircomm_tty_attach.c | 40 | ||||
-rw-r--r-- | net/irda/ircomm/ircomm_tty_ioctl.c | 33 | ||||
-rw-r--r-- | net/netfilter/nfnetlink_log.c | 8 | ||||
-rw-r--r-- | net/netfilter/xt_LOG.c | 4 | ||||
-rw-r--r-- | net/netlabel/netlabel_unlabeled.c | 2 | ||||
-rw-r--r-- | net/netlabel/netlabel_user.c | 2 | ||||
-rw-r--r-- | net/rfkill/input.c | 3 | ||||
-rw-r--r-- | net/rxrpc/ar-key.c | 6 | ||||
-rw-r--r-- | net/sched/cls_cgroup.c | 22 | ||||
-rw-r--r-- | net/sunrpc/cache.c | 2 | ||||
-rw-r--r-- | net/xfrm/xfrm_policy.c | 8 | ||||
-rw-r--r-- | net/xfrm/xfrm_state.c | 6 | ||||
-rw-r--r-- | net/xfrm/xfrm_user.c | 12 |
27 files changed, 285 insertions, 296 deletions
diff --git a/net/8021q/vlanproc.c b/net/8021q/vlanproc.c index c718fd3664b6..4de77ea5fa37 100644 --- a/net/8021q/vlanproc.c +++ b/net/8021q/vlanproc.c @@ -105,7 +105,7 @@ static const struct file_operations vlandev_fops = { }; /* - * Proc filesystem derectory entries. + * Proc filesystem directory entries. */ /* Strings */ diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c index 6449bae15702..505f0ce3f10b 100644 --- a/net/9p/trans_fd.c +++ b/net/9p/trans_fd.c @@ -1083,7 +1083,7 @@ int p9_trans_fd_init(void) void p9_trans_fd_exit(void) { - flush_work_sync(&p9_poll_work); + flush_work(&p9_poll_work); v9fs_unregister_trans(&p9_tcp_trans); v9fs_unregister_trans(&p9_unix_trans); v9fs_unregister_trans(&p9_fd_trans); diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c index 56f182393c4c..ccc248791d50 100644 --- a/net/bluetooth/rfcomm/tty.c +++ b/net/bluetooth/rfcomm/tty.c @@ -278,8 +278,8 @@ out: if (err < 0) goto free; - dev->tty_dev = tty_register_device(rfcomm_tty_driver, dev->id, NULL); - + dev->tty_dev = tty_port_register_device(&dev->port, rfcomm_tty_driver, + dev->id, NULL); if (IS_ERR(dev->tty_dev)) { err = PTR_ERR(dev->tty_dev); list_del(&dev->list); @@ -705,9 +705,9 @@ static int rfcomm_tty_open(struct tty_struct *tty, struct file *filp) break; } - tty_unlock(); + tty_unlock(tty); schedule(); - tty_lock(); + tty_lock(tty); } set_current_state(TASK_RUNNING); remove_wait_queue(&dev->wait, &wait); @@ -861,7 +861,7 @@ static int rfcomm_tty_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned l static void rfcomm_tty_set_termios(struct tty_struct *tty, struct ktermios *old) { - struct ktermios *new = tty->termios; + struct ktermios *new = &tty->termios; int old_baud_rate = tty_termios_baud_rate(old); int new_baud_rate = tty_termios_baud_rate(new); diff --git a/net/core/dev.c b/net/core/dev.c index ba4bb118a756..1e0a1847c3bb 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4569,7 +4569,7 @@ static int __dev_set_promiscuity(struct net_device *dev, int inc) "dev=%s prom=%d old_prom=%d auid=%u uid=%u gid=%u ses=%u", dev->name, (dev->flags & IFF_PROMISC), (old_flags & IFF_PROMISC), - audit_get_loginuid(current), + from_kuid(&init_user_ns, audit_get_loginuid(current)), from_kuid(&init_user_ns, uid), from_kgid(&init_user_ns, gid), audit_get_sessionid(current)); @@ -6464,22 +6464,26 @@ const char *netdev_drivername(const struct net_device *dev) return empty; } -int __netdev_printk(const char *level, const struct net_device *dev, +static int __netdev_printk(const char *level, const struct net_device *dev, struct va_format *vaf) { int r; - if (dev && dev->dev.parent) - r = dev_printk(level, dev->dev.parent, "%s: %pV", - netdev_name(dev), vaf); - else if (dev) + if (dev && dev->dev.parent) { + r = dev_printk_emit(level[1] - '0', + dev->dev.parent, + "%s %s %s: %pV", + dev_driver_string(dev->dev.parent), + dev_name(dev->dev.parent), + netdev_name(dev), vaf); + } else if (dev) { r = printk("%s%s: %pV", level, netdev_name(dev), vaf); - else + } else { r = printk("%s(NULL net_device): %pV", level, vaf); + } return r; } -EXPORT_SYMBOL(__netdev_printk); int netdev_printk(const char *level, const struct net_device *dev, const char *format, ...) @@ -6494,6 +6498,7 @@ int netdev_printk(const char *level, const struct net_device *dev, vaf.va = &args; r = __netdev_printk(level, dev, &vaf); + va_end(args); return r; @@ -6513,6 +6518,7 @@ int func(const struct net_device *dev, const char *fmt, ...) \ vaf.va = &args; \ \ r = __netdev_printk(level, dev, &vaf); \ + \ va_end(args); \ \ return r; \ diff --git a/net/core/dst.c b/net/core/dst.c index f6593d238e9a..ee6153e2cf43 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -222,8 +222,8 @@ void __dst_free(struct dst_entry *dst) if (dst_garbage.timer_inc > DST_GC_INC) { dst_garbage.timer_inc = DST_GC_INC; dst_garbage.timer_expires = DST_GC_MIN; - cancel_delayed_work(&dst_gc_work); - schedule_delayed_work(&dst_gc_work, dst_garbage.timer_expires); + mod_delayed_work(system_wq, &dst_gc_work, + dst_garbage.timer_expires); } spin_unlock_bh(&dst_garbage.lock); } diff --git a/net/core/link_watch.c b/net/core/link_watch.c index a01922219a23..8f82a5cc3851 100644 --- a/net/core/link_watch.c +++ b/net/core/link_watch.c @@ -128,22 +128,13 @@ static void linkwatch_schedule_work(int urgent) delay = 0; /* - * This is true if we've scheduled it immeditately or if we don't - * need an immediate execution and it's already pending. + * If urgent, schedule immediate execution; otherwise, don't + * override the existing timer. */ - if (schedule_delayed_work(&linkwatch_work, delay) == !delay) - return; - - /* Don't bother if there is nothing urgent. */ - if (!test_bit(LW_URGENT, &linkwatch_flags)) - return; - - /* It's already running which is good enough. */ - if (!__cancel_delayed_work(&linkwatch_work)) - return; - - /* Otherwise we reschedule it again for immediate execution. */ - schedule_delayed_work(&linkwatch_work, 0); + if (test_bit(LW_URGENT, &linkwatch_flags)) + mod_delayed_work(system_wq, &linkwatch_work, 0); + else + schedule_delayed_work(&linkwatch_work, delay); } diff --git a/net/core/neighbour.c b/net/core/neighbour.c index c160adb38e5a..baca771caae2 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -1545,7 +1545,7 @@ static void neigh_table_init_no_netlink(struct neigh_table *tbl) panic("cannot allocate neighbour cache hashes"); rwlock_init(&tbl->lock); - INIT_DELAYED_WORK_DEFERRABLE(&tbl->gc_work, neigh_periodic_work); + INIT_DEFERRABLE_WORK(&tbl->gc_work, neigh_periodic_work); schedule_delayed_work(&tbl->gc_work, tbl->parms.reachable_time); setup_timer(&tbl->proxy_timer, neigh_proxy_process, (unsigned long)tbl); skb_queue_head_init_class(&tbl->proxy_queue, diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c index 45c503e45fc6..4a83fb3c8e87 100644 --- a/net/core/netprio_cgroup.c +++ b/net/core/netprio_cgroup.c @@ -293,11 +293,19 @@ struct cgroup_subsys net_prio_subsys = { .create = cgrp_create, .destroy = cgrp_destroy, .attach = net_prio_attach, -#ifdef CONFIG_NETPRIO_CGROUP .subsys_id = net_prio_subsys_id, -#endif .base_cftypes = ss_files, - .module = THIS_MODULE + .module = THIS_MODULE, + + /* + * net_prio has artificial limit on the number of cgroups and + * disallows nesting making it impossible to co-mount it with other + * hierarchical subsystems. Remove the artificially low PRIOIDX_SZ + * limit and properly nest configuration such that children follow + * their parents' configurations by default and are allowed to + * override and remove the following. + */ + .broken_hierarchy = true, }; static int netprio_device_event(struct notifier_block *unused, @@ -333,10 +341,6 @@ static int __init init_cgroup_netprio(void) ret = cgroup_load_subsys(&net_prio_subsys); if (ret) goto out; -#ifndef CONFIG_NETPRIO_CGROUP - smp_wmb(); - net_prio_subsys_id = net_prio_subsys.subsys_id; -#endif register_netdevice_notifier(&netprio_device_notifier); @@ -353,11 +357,6 @@ static void __exit exit_cgroup_netprio(void) cgroup_unload_subsys(&net_prio_subsys); -#ifndef CONFIG_NETPRIO_CGROUP - net_prio_subsys_id = -1; - synchronize_rcu(); -#endif - rtnl_lock(); for_each_netdev(&init_net, dev) { old = rtnl_dereference(dev->priomap); diff --git a/net/core/sock.c b/net/core/sock.c index 7eac86463eb2..8a146cfcc366 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -326,17 +326,6 @@ int __sk_backlog_rcv(struct sock *sk, struct sk_buff *skb) } EXPORT_SYMBOL(__sk_backlog_rcv); -#if defined(CONFIG_CGROUPS) -#if !defined(CONFIG_NET_CLS_CGROUP) -int net_cls_subsys_id = -1; -EXPORT_SYMBOL_GPL(net_cls_subsys_id); -#endif -#if !defined(CONFIG_NETPRIO_CGROUP) -int net_prio_subsys_id = -1; -EXPORT_SYMBOL_GPL(net_prio_subsys_id); -#endif -#endif - static int sock_set_timeout(long *timeo_p, char __user *optval, int optlen) { struct timeval tv; @@ -1224,6 +1213,7 @@ static void sk_prot_free(struct proto *prot, struct sock *sk) } #ifdef CONFIG_CGROUPS +#if IS_ENABLED(CONFIG_NET_CLS_CGROUP) void sock_update_classid(struct sock *sk) { u32 classid; @@ -1235,7 +1225,9 @@ void sock_update_classid(struct sock *sk) sk->sk_classid = classid; } EXPORT_SYMBOL(sock_update_classid); +#endif +#if IS_ENABLED(CONFIG_NETPRIO_CGROUP) void sock_update_netprioidx(struct sock *sk, struct task_struct *task) { if (in_interrupt()) @@ -1245,6 +1237,7 @@ void sock_update_netprioidx(struct sock *sk, struct task_struct *task) } EXPORT_SYMBOL_GPL(sock_update_netprioidx); #endif +#endif /** * sk_alloc - All socket objects are allocated here diff --git a/net/dns_resolver/dns_key.c b/net/dns_resolver/dns_key.c index d9507dd05818..9807945a56d9 100644 --- a/net/dns_resolver/dns_key.c +++ b/net/dns_resolver/dns_key.c @@ -259,7 +259,8 @@ static int __init init_dns_resolver(void) if (!cred) return -ENOMEM; - keyring = key_alloc(&key_type_keyring, ".dns_resolver", 0, 0, cred, + keyring = key_alloc(&key_type_keyring, ".dns_resolver", + GLOBAL_ROOT_UID, GLOBAL_ROOT_GID, cred, (KEY_POS_ALL & ~KEY_POS_SETATTR) | KEY_USR_VIEW | KEY_USR_READ, KEY_ALLOC_NOT_IN_QUOTA); diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 88e7c2f3fa0d..45295ca09571 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -370,7 +370,7 @@ static int dsa_remove(struct platform_device *pdev) if (dst->link_poll_needed) del_timer_sync(&dst->link_poll_timer); - flush_work_sync(&dst->link_poll_work); + flush_work(&dst->link_poll_work); for (i = 0; i < dst->pd->nr_chips; i++) { struct dsa_switch *ds = dst->ds[i]; diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c index c7527f6b9ad9..000e3d239d64 100644 --- a/net/ipv4/inetpeer.c +++ b/net/ipv4/inetpeer.c @@ -194,7 +194,7 @@ void __init inet_initpeers(void) 0, SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL); - INIT_DELAYED_WORK_DEFERRABLE(&gc_work, inetpeer_gc_worker); + INIT_DEFERRABLE_WORK(&gc_work, inetpeer_gc_worker); } static int addr_compare(const struct inetpeer_addr *a, diff --git a/net/irda/ircomm/ircomm_param.c b/net/irda/ircomm/ircomm_param.c index 8b915f3ac3b9..308939128359 100644 --- a/net/irda/ircomm/ircomm_param.c +++ b/net/irda/ircomm/ircomm_param.c @@ -99,7 +99,6 @@ pi_param_info_t ircomm_param_info = { pi_major_call_table, 3, 0x0f, 4 }; */ int ircomm_param_request(struct ircomm_tty_cb *self, __u8 pi, int flush) { - struct tty_struct *tty; unsigned long flags; struct sk_buff *skb; int count; @@ -109,10 +108,6 @@ int ircomm_param_request(struct ircomm_tty_cb *self, __u8 pi, int flush) IRDA_ASSERT(self != NULL, return -1;); IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return -1;); - tty = self->tty; - if (!tty) - return 0; - /* Make sure we don't send parameters for raw mode */ if (self->service_type == IRCOMM_3_WIRE_RAW) return 0; diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c index 6b9d5a0e42f9..95a3a7a336ba 100644 --- a/net/irda/ircomm/ircomm_tty.c +++ b/net/irda/ircomm/ircomm_tty.c @@ -52,6 +52,8 @@ #include <net/irda/ircomm_tty_attach.h> #include <net/irda/ircomm_tty.h> +static int ircomm_tty_install(struct tty_driver *driver, + struct tty_struct *tty); static int ircomm_tty_open(struct tty_struct *tty, struct file *filp); static void ircomm_tty_close(struct tty_struct * tty, struct file *filp); static int ircomm_tty_write(struct tty_struct * tty, @@ -82,6 +84,7 @@ static struct tty_driver *driver; static hashbin_t *ircomm_tty = NULL; static const struct tty_operations ops = { + .install = ircomm_tty_install, .open = ircomm_tty_open, .close = ircomm_tty_close, .write = ircomm_tty_write, @@ -104,6 +107,35 @@ static const struct tty_operations ops = { #endif /* CONFIG_PROC_FS */ }; +static void ircomm_port_raise_dtr_rts(struct tty_port *port, int raise) +{ + struct ircomm_tty_cb *self = container_of(port, struct ircomm_tty_cb, + port); + /* + * Here, we use to lock those two guys, but as ircomm_param_request() + * does it itself, I don't see the point (and I see the deadlock). + * Jean II + */ + if (raise) + self->settings.dte |= IRCOMM_RTS | IRCOMM_DTR; + else + self->settings.dte &= ~(IRCOMM_RTS | IRCOMM_DTR); + + ircomm_param_request(self, IRCOMM_DTE, TRUE); +} + +static int ircomm_port_carrier_raised(struct tty_port *port) +{ + struct ircomm_tty_cb *self = container_of(port, struct ircomm_tty_cb, + port); + return self->settings.dce & IRCOMM_CD; +} + +static const struct tty_port_operations ircomm_port_ops = { + .dtr_rts = ircomm_port_raise_dtr_rts, + .carrier_raised = ircomm_port_carrier_raised, +}; + /* * Function ircomm_tty_init() * @@ -194,7 +226,7 @@ static int ircomm_tty_startup(struct ircomm_tty_cb *self) IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return -1;); /* Check if already open */ - if (test_and_set_bit(ASYNC_B_INITIALIZED, &self->flags)) { + if (test_and_set_bit(ASYNCB_INITIALIZED, &self->port.flags)) { IRDA_DEBUG(2, "%s(), already open so break out!\n", __func__ ); return 0; } @@ -231,7 +263,7 @@ static int ircomm_tty_startup(struct ircomm_tty_cb *self) return 0; err: - clear_bit(ASYNC_B_INITIALIZED, &self->flags); + clear_bit(ASYNCB_INITIALIZED, &self->port.flags); return ret; } @@ -242,72 +274,62 @@ err: * */ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, - struct file *filp) + struct tty_struct *tty, struct file *filp) { + struct tty_port *port = &self->port; DECLARE_WAITQUEUE(wait, current); int retval; int do_clocal = 0, extra_count = 0; unsigned long flags; - struct tty_struct *tty; IRDA_DEBUG(2, "%s()\n", __func__ ); - tty = self->tty; - /* * If non-blocking mode is set, or the port is not enabled, * then make the check up front and then exit. */ if (filp->f_flags & O_NONBLOCK || tty->flags & (1 << TTY_IO_ERROR)){ /* nonblock mode is set or port is not enabled */ - self->flags |= ASYNC_NORMAL_ACTIVE; + port->flags |= ASYNC_NORMAL_ACTIVE; IRDA_DEBUG(1, "%s(), O_NONBLOCK requested!\n", __func__ ); return 0; } - if (tty->termios->c_cflag & CLOCAL) { + if (tty->termios.c_cflag & CLOCAL) { IRDA_DEBUG(1, "%s(), doing CLOCAL!\n", __func__ ); do_clocal = 1; } /* Wait for carrier detect and the line to become * free (i.e., not in use by the callout). While we are in - * this loop, self->open_count is dropped by one, so that + * this loop, port->count is dropped by one, so that * mgsl_close() knows when to free things. We restore it upon * exit, either normal or abnormal. */ retval = 0; - add_wait_queue(&self->open_wait, &wait); + add_wait_queue(&port->open_wait, &wait); IRDA_DEBUG(2, "%s(%d):block_til_ready before block on %s open_count=%d\n", - __FILE__,__LINE__, tty->driver->name, self->open_count ); + __FILE__, __LINE__, tty->driver->name, port->count); - /* As far as I can see, we protect open_count - Jean II */ - spin_lock_irqsave(&self->spinlock, flags); + spin_lock_irqsave(&port->lock, flags); if (!tty_hung_up_p(filp)) { extra_count = 1; - self->open_count--; + port->count--; } - spin_unlock_irqrestore(&self->spinlock, flags); - self->blocked_open++; + spin_unlock_irqrestore(&port->lock, flags); + port->blocked_open++; while (1) { - if (tty->termios->c_cflag & CBAUD) { - /* Here, we use to lock those two guys, but - * as ircomm_param_request() does it itself, - * I don't see the point (and I see the deadlock). - * Jean II */ - self->settings.dte |= IRCOMM_RTS + IRCOMM_DTR; - - ircomm_param_request(self, IRCOMM_DTE, TRUE); - } + if (tty->termios.c_cflag & CBAUD) + tty_port_raise_dtr_rts(port); current->state = TASK_INTERRUPTIBLE; if (tty_hung_up_p(filp) || - !test_bit(ASYNC_B_INITIALIZED, &self->flags)) { - retval = (self->flags & ASYNC_HUP_NOTIFY) ? + !test_bit(ASYNCB_INITIALIZED, &port->flags)) { + retval = (port->flags & ASYNC_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS; break; } @@ -317,8 +339,8 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, * specified, we cannot return before the IrCOMM link is * ready */ - if (!test_bit(ASYNC_B_CLOSING, &self->flags) && - (do_clocal || (self->settings.dce & IRCOMM_CD)) && + if (!test_bit(ASYNCB_CLOSING, &port->flags) && + (do_clocal || tty_port_carrier_raised(port)) && self->state == IRCOMM_TTY_READY) { break; @@ -330,46 +352,36 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, } IRDA_DEBUG(1, "%s(%d):block_til_ready blocking on %s open_count=%d\n", - __FILE__,__LINE__, tty->driver->name, self->open_count ); + __FILE__, __LINE__, tty->driver->name, port->count); schedule(); } __set_current_state(TASK_RUNNING); - remove_wait_queue(&self->open_wait, &wait); + remove_wait_queue(&port->open_wait, &wait); if (extra_count) { /* ++ is not atomic, so this should be protected - Jean II */ - spin_lock_irqsave(&self->spinlock, flags); - self->open_count++; - spin_unlock_irqrestore(&self->spinlock, flags); + spin_lock_irqsave(&port->lock, flags); + port->count++; + spin_unlock_irqrestore(&port->lock, flags); } - self->blocked_open--; + port->blocked_open--; IRDA_DEBUG(1, "%s(%d):block_til_ready after blocking on %s open_count=%d\n", - __FILE__,__LINE__, tty->driver->name, self->open_count); + __FILE__, __LINE__, tty->driver->name, port->count); if (!retval) - self->flags |= ASYNC_NORMAL_ACTIVE; + port->flags |= ASYNC_NORMAL_ACTIVE; return retval; } -/* - * Function ircomm_tty_open (tty, filp) - * - * This routine is called when a particular tty device is opened. This - * routine is mandatory; if this routine is not filled in, the attempted - * open will fail with ENODEV. - */ -static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) + +static int ircomm_tty_install(struct tty_driver *driver, struct tty_struct *tty) { struct ircomm_tty_cb *self; unsigned int line = tty->index; - unsigned long flags; - int ret; - - IRDA_DEBUG(2, "%s()\n", __func__ ); /* Check if instance already exists */ self = hashbin_lock_find(ircomm_tty, line, NULL); @@ -381,6 +393,8 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) return -ENOMEM; } + tty_port_init(&self->port); + self->port.ops = &ircomm_port_ops; self->magic = IRCOMM_TTY_MAGIC; self->flow = FLOW_STOP; @@ -388,13 +402,9 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) INIT_WORK(&self->tqueue, ircomm_tty_do_softint); self->max_header_size = IRCOMM_TTY_HDR_UNINITIALISED; self->max_data_size = IRCOMM_TTY_DATA_UNINITIALISED; - self->close_delay = 5*HZ/10; - self->closing_wait = 30*HZ; /* Init some important stuff */ init_timer(&self->watchdog_timer); - init_waitqueue_head(&self->open_wait); - init_waitqueue_head(&self->close_wait); spin_lock_init(&self->spinlock); /* @@ -404,31 +414,48 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) * * Note this is completely usafe and doesn't work properly */ - tty->termios->c_iflag = 0; - tty->termios->c_oflag = 0; + tty->termios.c_iflag = 0; + tty->termios.c_oflag = 0; /* Insert into hash */ hashbin_insert(ircomm_tty, (irda_queue_t *) self, line, NULL); } - /* ++ is not atomic, so this should be protected - Jean II */ - spin_lock_irqsave(&self->spinlock, flags); - self->open_count++; - tty->driver_data = self; - self->tty = tty; - spin_unlock_irqrestore(&self->spinlock, flags); + return tty_port_install(&self->port, driver, tty); +} + +/* + * Function ircomm_tty_open (tty, filp) + * + * This routine is called when a particular tty device is opened. This + * routine is mandatory; if this routine is not filled in, the attempted + * open will fail with ENODEV. + */ +static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) +{ + struct ircomm_tty_cb *self = tty->driver_data; + unsigned long flags; + int ret; + + IRDA_DEBUG(2, "%s()\n", __func__ ); + + /* ++ is not atomic, so this should be protected - Jean II */ + spin_lock_irqsave(&self->port.lock, flags); + self->port.count++; + spin_unlock_irqrestore(&self->port.lock, flags); + tty_port_tty_set(&self->port, tty); IRDA_DEBUG(1, "%s(), %s%d, count = %d\n", __func__ , tty->driver->name, - self->line, self->open_count); + self->line, self->port.count); /* Not really used by us, but lets do it anyway */ - self->tty->low_latency = (self->flags & ASYNC_LOW_LATENCY) ? 1 : 0; + tty->low_latency = (self->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0; /* * If the port is the middle of closing, bail out now */ if (tty_hung_up_p(filp) || - test_bit(ASYNC_B_CLOSING, &self->flags)) { + test_bit(ASYNCB_CLOSING, &self->port.flags)) { /* Hm, why are we blocking on ASYNC_CLOSING if we * do return -EAGAIN/-ERESTARTSYS below anyway? @@ -438,14 +465,15 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) * probably better sleep uninterruptible? */ - if (wait_event_interruptible(self->close_wait, !test_bit(ASYNC_B_CLOSING, &self->flags))) { + if (wait_event_interruptible(self->port.close_wait, + !test_bit(ASYNCB_CLOSING, &self->port.flags))) { IRDA_WARNING("%s - got signal while blocking on ASYNC_CLOSING!\n", __func__); return -ERESTARTSYS; } #ifdef SERIAL_DO_RESTART - return (self->flags & ASYNC_HUP_NOTIFY) ? + return (self->port.flags & ASYNC_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS; #else return -EAGAIN; @@ -453,7 +481,7 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) } /* Check if this is a "normal" ircomm device, or an irlpt device */ - if (line < 0x10) { + if (self->line < 0x10) { self->service_type = IRCOMM_3_WIRE | IRCOMM_9_WIRE; self->settings.service_type = IRCOMM_9_WIRE; /* 9 wire as default */ /* Jan Kiszka -> add DSR/RI -> Conform to IrCOMM spec */ @@ -469,7 +497,7 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) if (ret) return ret; - ret = ircomm_tty_block_til_ready(self, filp); + ret = ircomm_tty_block_til_ready(self, tty, filp); if (ret) { IRDA_DEBUG(2, "%s(), returning after block_til_ready with %d\n", __func__ , @@ -489,81 +517,22 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) static void ircomm_tty_close(struct tty_struct *tty, struct file *filp) { struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data; - unsigned long flags; + struct tty_port *port = &self->port; IRDA_DEBUG(0, "%s()\n", __func__ ); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;); - spin_lock_irqsave(&self->spinlock, flags); - - if (tty_hung_up_p(filp)) { - spin_unlock_irqrestore(&self->spinlock, flags); - - IRDA_DEBUG(0, "%s(), returning 1\n", __func__ ); - return; - } - - if ((tty->count == 1) && (self->open_count != 1)) { - /* - * Uh, oh. tty->count is 1, which means that the tty - * structure will be freed. state->count should always - * be one in these conditions. If it's greater than - * one, we've got real problems, since it means the - * serial port won't be shutdown. - */ - IRDA_DEBUG(0, "%s(), bad serial port count; " - "tty->count is 1, state->count is %d\n", __func__ , - self->open_count); - self->open_count = 1; - } - - if (--self->open_count < 0) { - IRDA_ERROR("%s(), bad serial port count for ttys%d: %d\n", - __func__, self->line, self->open_count); - self->open_count = 0; - } - if (self->open_count) { - spin_unlock_irqrestore(&self->spinlock, flags); - - IRDA_DEBUG(0, "%s(), open count > 0\n", __func__ ); + if (tty_port_close_start(port, tty, filp) == 0) return; - } - - /* Hum... Should be test_and_set_bit ??? - Jean II */ - set_bit(ASYNC_B_CLOSING, &self->flags); - - /* We need to unlock here (we were unlocking at the end of this - * function), because tty_wait_until_sent() may schedule. - * I don't know if the rest should be protected somehow, - * so someone should check. - Jean II */ - spin_unlock_irqrestore(&self->spinlock, flags); - - /* - * Now we wait for the transmit buffer to clear; and we notify - * the line discipline to only process XON/XOFF characters. - */ - tty->closing = 1; - if (self->closing_wait != ASYNC_CLOSING_WAIT_NONE) - tty_wait_until_sent_from_close(tty, self->closing_wait); ircomm_tty_shutdown(self); tty_driver_flush_buffer(tty); - tty_ldisc_flush(tty); - - tty->closing = 0; - self->tty = NULL; - if (self->blocked_open) { - if (self->close_delay) - schedule_timeout_interruptible(self->close_delay); - wake_up_interruptible(&self->open_wait); - } - - self->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING); - wake_up_interruptible(&self->close_wait); + tty_port_close_end(port, tty); + tty_port_tty_set(port, NULL); } /* @@ -606,7 +575,7 @@ static void ircomm_tty_do_softint(struct work_struct *work) if (!self || self->magic != IRCOMM_TTY_MAGIC) return; - tty = self->tty; + tty = tty_port_tty_get(&self->port); if (!tty) return; @@ -627,7 +596,7 @@ static void ircomm_tty_do_softint(struct work_struct *work) } if (tty->hw_stopped) - return; + goto put; /* Unlink transmit buffer */ spin_lock_irqsave(&self->spinlock, flags); @@ -646,6 +615,8 @@ static void ircomm_tty_do_softint(struct work_struct *work) /* Check if user (still) wants to be waken up */ tty_wakeup(tty); +put: + tty_kref_put(tty); } /* @@ -880,7 +851,7 @@ static void ircomm_tty_throttle(struct tty_struct *tty) ircomm_tty_send_xchar(tty, STOP_CHAR(tty)); /* Hardware flow control? */ - if (tty->termios->c_cflag & CRTSCTS) { + if (tty->termios.c_cflag & CRTSCTS) { self->settings.dte &= ~IRCOMM_RTS; self->settings.dte |= IRCOMM_DELTA_RTS; @@ -912,7 +883,7 @@ static void ircomm_tty_unthrottle(struct tty_struct *tty) } /* Using hardware flow control? */ - if (tty->termios->c_cflag & CRTSCTS) { + if (tty->termios.c_cflag & CRTSCTS) { self->settings.dte |= (IRCOMM_RTS|IRCOMM_DELTA_RTS); ircomm_param_request(self, IRCOMM_DTE, TRUE); @@ -955,7 +926,7 @@ static void ircomm_tty_shutdown(struct ircomm_tty_cb *self) IRDA_DEBUG(0, "%s()\n", __func__ ); - if (!test_and_clear_bit(ASYNC_B_INITIALIZED, &self->flags)) + if (!test_and_clear_bit(ASYNCB_INITIALIZED, &self->port.flags)) return; ircomm_tty_detach_cable(self); @@ -994,6 +965,7 @@ static void ircomm_tty_shutdown(struct ircomm_tty_cb *self) static void ircomm_tty_hangup(struct tty_struct *tty) { struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data; + struct tty_port *port = &self->port; unsigned long flags; IRDA_DEBUG(0, "%s()\n", __func__ ); @@ -1004,14 +976,17 @@ static void ircomm_tty_hangup(struct tty_struct *tty) /* ircomm_tty_flush_buffer(tty); */ ircomm_tty_shutdown(self); - /* I guess we need to lock here - Jean II */ - spin_lock_irqsave(&self->spinlock, flags); - self->flags &= ~ASYNC_NORMAL_ACTIVE; - self->tty = NULL; - self->open_count = 0; - spin_unlock_irqrestore(&self->spinlock, flags); + spin_lock_irqsave(&port->lock, flags); + port->flags &= ~ASYNC_NORMAL_ACTIVE; + if (port->tty) { + set_bit(TTY_IO_ERROR, &port->tty->flags); + tty_kref_put(port->tty); + } + port->tty = NULL; + port->count = 0; + spin_unlock_irqrestore(&port->lock, flags); - wake_up_interruptible(&self->open_wait); + wake_up_interruptible(&port->open_wait); } /* @@ -1071,20 +1046,20 @@ void ircomm_tty_check_modem_status(struct ircomm_tty_cb *self) IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;); - tty = self->tty; + tty = tty_port_tty_get(&self->port); status = self->settings.dce; if (status & IRCOMM_DCE_DELTA_ANY) { /*wake_up_interruptible(&self->delta_msr_wait);*/ } - if ((self->flags & ASYNC_CHECK_CD) && (status & IRCOMM_DELTA_CD)) { + if ((self->port.flags & ASYNC_CHECK_CD) && (status & IRCOMM_DELTA_CD)) { IRDA_DEBUG(2, "%s(), ircomm%d CD now %s...\n", __func__ , self->line, (status & IRCOMM_CD) ? "on" : "off"); if (status & IRCOMM_CD) { - wake_up_interruptible(&self->open_wait); + wake_up_interruptible(&self->port.open_wait); } else { IRDA_DEBUG(2, "%s(), Doing serial hangup..\n", __func__ ); @@ -1092,10 +1067,10 @@ void ircomm_tty_check_modem_status(struct ircomm_tty_cb *self) tty_hangup(tty); /* Hangup will remote the tty, so better break out */ - return; + goto put; } } - if (self->flags & ASYNC_CTS_FLOW) { + if (tty && tty_port_cts_enabled(&self->port)) { if (tty->hw_stopped) { if (status & IRCOMM_CTS) { IRDA_DEBUG(2, @@ -1103,10 +1078,10 @@ void ircomm_tty_check_modem_status(struct ircomm_tty_cb *self) tty->hw_stopped = 0; /* Wake up processes blocked on open */ - wake_up_interruptible(&self->open_wait); + wake_up_interruptible(&self->port.open_wait); schedule_work(&self->tqueue); - return; + goto put; } } else { if (!(status & IRCOMM_CTS)) { @@ -1116,6 +1091,8 @@ void ircomm_tty_check_modem_status(struct ircomm_tty_cb *self) } } } +put: + tty_kref_put(tty); } /* @@ -1128,6 +1105,7 @@ static int ircomm_tty_data_indication(void *instance, void *sap, struct sk_buff *skb) { struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) instance; + struct tty_struct *tty; IRDA_DEBUG(2, "%s()\n", __func__ ); @@ -1135,7 +1113,8 @@ static int ircomm_tty_data_indication(void *instance, void *sap, IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return -1;); IRDA_ASSERT(skb != NULL, return -1;); - if (!self->tty) { + tty = tty_port_tty_get(&self->port); + if (!tty) { IRDA_DEBUG(0, "%s(), no tty!\n", __func__ ); return 0; } @@ -1146,7 +1125,7 @@ static int ircomm_tty_data_indication(void *instance, void *sap, * Devices like WinCE can do this, and since they don't send any * params, we can just as well declare the hardware for running. */ - if (self->tty->hw_stopped && (self->flow == FLOW_START)) { + if (tty->hw_stopped && (self->flow == FLOW_START)) { IRDA_DEBUG(0, "%s(), polling for line settings!\n", __func__ ); ircomm_param_request(self, IRCOMM_POLL, TRUE); @@ -1159,8 +1138,9 @@ static int ircomm_tty_data_indication(void *instance, void *sap, * Use flip buffer functions since the code may be called from interrupt * context */ - tty_insert_flip_string(self->tty, skb->data, skb->len); - tty_flip_buffer_push(self->tty); + tty_insert_flip_string(tty, skb->data, skb->len); + tty_flip_buffer_push(tty); + tty_kref_put(tty); /* No need to kfree_skb - see ircomm_ttp_data_indication() */ @@ -1211,12 +1191,13 @@ static void ircomm_tty_flow_indication(void *instance, void *sap, IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;); - tty = self->tty; + tty = tty_port_tty_get(&self->port); switch (cmd) { case FLOW_START: IRDA_DEBUG(2, "%s(), hw start!\n", __func__ ); - tty->hw_stopped = 0; + if (tty) + tty->hw_stopped = 0; /* ircomm_tty_do_softint will take care of the rest */ schedule_work(&self->tqueue); @@ -1224,15 +1205,19 @@ static void ircomm_tty_flow_indication(void *instance, void *sap, default: /* If we get here, something is very wrong, better stop */ case FLOW_STOP: IRDA_DEBUG(2, "%s(), hw stopped!\n", __func__ ); - tty->hw_stopped = 1; + if (tty) + tty->hw_stopped = 1; break; } + + tty_kref_put(tty); self->flow = cmd; } #ifdef CONFIG_PROC_FS static void ircomm_tty_line_info(struct ircomm_tty_cb *self, struct seq_file *m) { + struct tty_struct *tty; char sep; seq_printf(m, "State: %s\n", ircomm_tty_state[self->state]); @@ -1328,40 +1313,43 @@ static void ircomm_tty_line_info(struct ircomm_tty_cb *self, struct seq_file *m) seq_puts(m, "Flags:"); sep = ' '; - if (self->flags & ASYNC_CTS_FLOW) { + if (tty_port_cts_enabled(&self->port)) { seq_printf(m, "%cASYNC_CTS_FLOW", sep); sep = '|'; } - if (self->flags & ASYNC_CHECK_CD) { + if (self->port.flags & ASYNC_CHECK_CD) { seq_printf(m, "%cASYNC_CHECK_CD", sep); sep = '|'; } - if (self->flags & ASYNC_INITIALIZED) { + if (self->port.flags & ASYNC_INITIALIZED) { seq_printf(m, "%cASYNC_INITIALIZED", sep); sep = '|'; } - if (self->flags & ASYNC_LOW_LATENCY) { + if (self->port.flags & ASYNC_LOW_LATENCY) { seq_printf(m, "%cASYNC_LOW_LATENCY", sep); sep = '|'; } - if (self->flags & ASYNC_CLOSING) { + if (self->port.flags & ASYNC_CLOSING) { seq_printf(m, "%cASYNC_CLOSING", sep); sep = '|'; } - if (self->flags & ASYNC_NORMAL_ACTIVE) { + if (self->port.flags & ASYNC_NORMAL_ACTIVE) { seq_printf(m, "%cASYNC_NORMAL_ACTIVE", sep); sep = '|'; } seq_putc(m, '\n'); seq_printf(m, "Role: %s\n", self->client ? "client" : "server"); - seq_printf(m, "Open count: %d\n", self->open_count); + seq_printf(m, "Open count: %d\n", self->port.count); seq_printf(m, "Max data size: %d\n", self->max_data_size); seq_printf(m, "Max header size: %d\n", self->max_header_size); - if (self->tty) + tty = tty_port_tty_get(&self->port); + if (tty) { seq_printf(m, "Hardware: %s\n", - self->tty->hw_stopped ? "Stopped" : "Running"); + tty->hw_stopped ? "Stopped" : "Running"); + tty_kref_put(tty); + } } static int ircomm_tty_proc_show(struct seq_file *m, void *v) diff --git a/net/irda/ircomm/ircomm_tty_attach.c b/net/irda/ircomm/ircomm_tty_attach.c index b65d66e0d817..edab393e0c82 100644 --- a/net/irda/ircomm/ircomm_tty_attach.c +++ b/net/irda/ircomm/ircomm_tty_attach.c @@ -130,6 +130,8 @@ static int (*state[])(struct ircomm_tty_cb *self, IRCOMM_TTY_EVENT event, */ int ircomm_tty_attach_cable(struct ircomm_tty_cb *self) { + struct tty_struct *tty; + IRDA_DEBUG(0, "%s()\n", __func__ ); IRDA_ASSERT(self != NULL, return -1;); @@ -142,7 +144,11 @@ int ircomm_tty_attach_cable(struct ircomm_tty_cb *self) } /* Make sure nobody tries to write before the link is up */ - self->tty->hw_stopped = 1; + tty = tty_port_tty_get(&self->port); + if (tty) { + tty->hw_stopped = 1; + tty_kref_put(tty); + } ircomm_tty_ias_register(self); @@ -398,23 +404,26 @@ void ircomm_tty_disconnect_indication(void *instance, void *sap, struct sk_buff *skb) { struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) instance; + struct tty_struct *tty; IRDA_DEBUG(2, "%s()\n", __func__ ); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;); - if (!self->tty) + tty = tty_port_tty_get(&self->port); + if (!tty) return; /* This will stop control data transfers */ self->flow = FLOW_STOP; /* Stop data transfers */ - self->tty->hw_stopped = 1; + tty->hw_stopped = 1; ircomm_tty_do_event(self, IRCOMM_TTY_DISCONNECT_INDICATION, NULL, NULL); + tty_kref_put(tty); } /* @@ -550,12 +559,15 @@ void ircomm_tty_connect_indication(void *instance, void *sap, */ void ircomm_tty_link_established(struct ircomm_tty_cb *self) { + struct tty_struct *tty; + IRDA_DEBUG(2, "%s()\n", __func__ ); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;); - if (!self->tty) + tty = tty_port_tty_get(&self->port); + if (!tty) return; del_timer(&self->watchdog_timer); @@ -566,19 +578,22 @@ void ircomm_tty_link_established(struct ircomm_tty_cb *self) * will have to wait for the peer device (DCE) to raise the CTS * line. */ - if ((self->flags & ASYNC_CTS_FLOW) && ((self->settings.dce & IRCOMM_CTS) == 0)) { + if (tty_port_cts_enabled(&self->port) && + ((self->settings.dce & IRCOMM_CTS) == 0)) { IRDA_DEBUG(0, "%s(), waiting for CTS ...\n", __func__ ); - return; + goto put; } else { IRDA_DEBUG(1, "%s(), starting hardware!\n", __func__ ); - self->tty->hw_stopped = 0; + tty->hw_stopped = 0; /* Wake up processes blocked on open */ - wake_up_interruptible(&self->open_wait); + wake_up_interruptible(&self->port.open_wait); } schedule_work(&self->tqueue); +put: + tty_kref_put(tty); } /* @@ -977,14 +992,17 @@ static int ircomm_tty_state_ready(struct ircomm_tty_cb *self, ircomm_tty_next_state(self, IRCOMM_TTY_SEARCH); ircomm_tty_start_watchdog_timer(self, 3*HZ); - if (self->flags & ASYNC_CHECK_CD) { + if (self->port.flags & ASYNC_CHECK_CD) { /* Drop carrier */ self->settings.dce = IRCOMM_DELTA_CD; ircomm_tty_check_modem_status(self); } else { + struct tty_struct *tty = tty_port_tty_get(&self->port); IRDA_DEBUG(0, "%s(), hanging up!\n", __func__ ); - if (self->tty) - tty_hangup(self->tty); + if (tty) { + tty_hangup(tty); + tty_kref_put(tty); + } } break; default: diff --git a/net/irda/ircomm/ircomm_tty_ioctl.c b/net/irda/ircomm/ircomm_tty_ioctl.c index d0667d68351d..b343f50dc8d7 100644 --- a/net/irda/ircomm/ircomm_tty_ioctl.c +++ b/net/irda/ircomm/ircomm_tty_ioctl.c @@ -52,17 +52,18 @@ * Change speed of the driver. If the remote device is a DCE, then this * should make it change the speed of its serial port */ -static void ircomm_tty_change_speed(struct ircomm_tty_cb *self) +static void ircomm_tty_change_speed(struct ircomm_tty_cb *self, + struct tty_struct *tty) { unsigned int cflag, cval; int baud; IRDA_DEBUG(2, "%s()\n", __func__ ); - if (!self->tty || !self->tty->termios || !self->ircomm) + if (!self->ircomm) return; - cflag = self->tty->termios->c_cflag; + cflag = tty->termios.c_cflag; /* byte size and parity */ switch (cflag & CSIZE) { @@ -81,7 +82,7 @@ static void ircomm_tty_change_speed(struct ircomm_tty_cb *self) cval |= IRCOMM_PARITY_EVEN; /* Determine divisor based on baud rate */ - baud = tty_get_baud_rate(self->tty); + baud = tty_get_baud_rate(tty); if (!baud) baud = 9600; /* B0 transition handled in rs_set_termios */ @@ -90,19 +91,19 @@ static void ircomm_tty_change_speed(struct ircomm_tty_cb *self) /* CTS flow control flag and modem status interrupts */ if (cflag & CRTSCTS) { - self->flags |= ASYNC_CTS_FLOW; + self->port.flags |= ASYNC_CTS_FLOW; self->settings.flow_control |= IRCOMM_RTS_CTS_IN; /* This got me. Bummer. Jean II */ if (self->service_type == IRCOMM_3_WIRE_RAW) IRDA_WARNING("%s(), enabling RTS/CTS on link that doesn't support it (3-wire-raw)\n", __func__); } else { - self->flags &= ~ASYNC_CTS_FLOW; + self->port.flags &= ~ASYNC_CTS_FLOW; self->settings.flow_control &= ~IRCOMM_RTS_CTS_IN; } if (cflag & CLOCAL) - self->flags &= ~ASYNC_CHECK_CD; + self->port.flags &= ~ASYNC_CHECK_CD; else - self->flags |= ASYNC_CHECK_CD; + self->port.flags |= ASYNC_CHECK_CD; #if 0 /* * Set up parity check flag @@ -148,18 +149,18 @@ void ircomm_tty_set_termios(struct tty_struct *tty, struct ktermios *old_termios) { struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data; - unsigned int cflag = tty->termios->c_cflag; + unsigned int cflag = tty->termios.c_cflag; IRDA_DEBUG(2, "%s()\n", __func__ ); if ((cflag == old_termios->c_cflag) && - (RELEVANT_IFLAG(tty->termios->c_iflag) == + (RELEVANT_IFLAG(tty->termios.c_iflag) == RELEVANT_IFLAG(old_termios->c_iflag))) { return; } - ircomm_tty_change_speed(self); + ircomm_tty_change_speed(self, tty); /* Handle transition to B0 status */ if ((old_termios->c_cflag & CBAUD) && @@ -172,7 +173,7 @@ void ircomm_tty_set_termios(struct tty_struct *tty, if (!(old_termios->c_cflag & CBAUD) && (cflag & CBAUD)) { self->settings.dte |= IRCOMM_DTR; - if (!(tty->termios->c_cflag & CRTSCTS) || + if (!(tty->termios.c_cflag & CRTSCTS) || !test_bit(TTY_THROTTLED, &tty->flags)) { self->settings.dte |= IRCOMM_RTS; } @@ -181,7 +182,7 @@ void ircomm_tty_set_termios(struct tty_struct *tty, /* Handle turning off CRTSCTS */ if ((old_termios->c_cflag & CRTSCTS) && - !(tty->termios->c_cflag & CRTSCTS)) + !(tty->termios.c_cflag & CRTSCTS)) { tty->hw_stopped = 0; ircomm_tty_start(tty); @@ -270,10 +271,10 @@ static int ircomm_tty_get_serial_info(struct ircomm_tty_cb *self, memset(&info, 0, sizeof(info)); info.line = self->line; - info.flags = self->flags; + info.flags = self->port.flags; info.baud_base = self->settings.data_rate; - info.close_delay = self->close_delay; - info.closing_wait = self->closing_wait; + info.close_delay = self->port.close_delay; + info.closing_wait = self->port.closing_wait; /* For compatibility */ info.type = PORT_16550A; diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index 10067e3112c5..9f199f2e31fa 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -507,10 +507,10 @@ __build_packet_message(struct nfulnl_instance *inst, read_lock_bh(&sk->sk_callback_lock); if (sk->sk_socket && sk->sk_socket->file) { struct file *file = sk->sk_socket->file; - __be32 uid = htonl(from_kuid_munged(inst->peer_user_ns, - file->f_cred->fsuid)); - __be32 gid = htonl(from_kgid_munged(inst->peer_user_ns, - file->f_cred->fsgid)); + const struct cred *cred = file->f_cred; + struct user_namespace *user_ns = inst->peer_user_ns; + __be32 uid = htonl(from_kuid_munged(user_ns, cred->fsuid)); + __be32 gid = htonl(from_kgid_munged(user_ns, cred->fsgid)); read_unlock_bh(&sk->sk_callback_lock); if (nla_put_be32(inst->skb, NFULA_UID, uid) || nla_put_be32(inst->skb, NFULA_GID, gid)) diff --git a/net/netfilter/xt_LOG.c b/net/netfilter/xt_LOG.c index aeb19710a6fd..fa40096940a1 100644 --- a/net/netfilter/xt_LOG.c +++ b/net/netfilter/xt_LOG.c @@ -154,8 +154,8 @@ static void dump_sk_uid_gid(struct sbuff *m, struct sock *sk) if (sk->sk_socket && sk->sk_socket->file) { const struct cred *cred = sk->sk_socket->file->f_cred; sb_add(m, "UID=%u GID=%u ", - from_kuid_munged(&init_user_ns, cred->fsuid), - from_kgid_munged(&init_user_ns, cred->fsgid)); + from_kuid_munged(&init_user_ns, cred->fsuid), + from_kgid_munged(&init_user_ns, cred->fsgid)); } read_unlock_bh(&sk->sk_callback_lock); } diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c index b7944413b404..847d495cd4de 100644 --- a/net/netlabel/netlabel_unlabeled.c +++ b/net/netlabel/netlabel_unlabeled.c @@ -1541,7 +1541,7 @@ int __init netlbl_unlabel_defconf(void) * it is called is at bootup before the audit subsystem is reporting * messages so don't worry to much about these values. */ security_task_getsecid(current, &audit_info.secid); - audit_info.loginuid = 0; + audit_info.loginuid = GLOBAL_ROOT_UID; audit_info.sessionid = 0; entry = kzalloc(sizeof(*entry), GFP_KERNEL); diff --git a/net/netlabel/netlabel_user.c b/net/netlabel/netlabel_user.c index 9fae63f10298..9650c4ad5f88 100644 --- a/net/netlabel/netlabel_user.c +++ b/net/netlabel/netlabel_user.c @@ -109,7 +109,7 @@ struct audit_buffer *netlbl_audit_start_common(int type, return NULL; audit_log_format(audit_buf, "netlabel: auid=%u ses=%u", - audit_info->loginuid, + from_kuid(&init_user_ns, audit_info->loginuid), audit_info->sessionid); if (audit_info->secid != 0 && diff --git a/net/rfkill/input.c b/net/rfkill/input.c index 24c55c53e6a2..c9d931e7ffec 100644 --- a/net/rfkill/input.c +++ b/net/rfkill/input.c @@ -164,8 +164,7 @@ static void rfkill_schedule_global_op(enum rfkill_sched_op op) rfkill_op_pending = true; if (op == RFKILL_GLOBAL_OP_EPO && !rfkill_is_epo_lock_active()) { /* bypass the limiter for EPO */ - cancel_delayed_work(&rfkill_op_work); - schedule_delayed_work(&rfkill_op_work, 0); + mod_delayed_work(system_wq, &rfkill_op_work, 0); rfkill_last_scheduled = jiffies; } else rfkill_schedule_ratelimited(); diff --git a/net/rxrpc/ar-key.c b/net/rxrpc/ar-key.c index 8b1f9f49960f..011d2384b115 100644 --- a/net/rxrpc/ar-key.c +++ b/net/rxrpc/ar-key.c @@ -948,7 +948,8 @@ int rxrpc_get_server_data_key(struct rxrpc_connection *conn, _enter(""); - key = key_alloc(&key_type_rxrpc, "x", 0, 0, cred, 0, + key = key_alloc(&key_type_rxrpc, "x", + GLOBAL_ROOT_UID, GLOBAL_ROOT_GID, cred, 0, KEY_ALLOC_NOT_IN_QUOTA); if (IS_ERR(key)) { _leave(" = -ENOMEM [alloc %ld]", PTR_ERR(key)); @@ -994,7 +995,8 @@ struct key *rxrpc_get_null_key(const char *keyname) struct key *key; int ret; - key = key_alloc(&key_type_rxrpc, keyname, 0, 0, cred, + key = key_alloc(&key_type_rxrpc, keyname, + GLOBAL_ROOT_UID, GLOBAL_ROOT_GID, cred, KEY_POS_SEARCH, KEY_ALLOC_NOT_IN_QUOTA); if (IS_ERR(key)) return key; diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c index 91de66695b4a..2ecde225ae60 100644 --- a/net/sched/cls_cgroup.c +++ b/net/sched/cls_cgroup.c @@ -77,11 +77,18 @@ struct cgroup_subsys net_cls_subsys = { .name = "net_cls", .create = cgrp_create, .destroy = cgrp_destroy, -#ifdef CONFIG_NET_CLS_CGROUP .subsys_id = net_cls_subsys_id, -#endif .base_cftypes = ss_files, .module = THIS_MODULE, + + /* + * While net_cls cgroup has the rudimentary hierarchy support of + * inheriting the parent's classid on cgroup creation, it doesn't + * properly propagates config changes in ancestors to their + * descendents. A child should follow the parent's configuration + * but be allowed to override it. Fix it and remove the following. + */ + .broken_hierarchy = true, }; struct cls_cgroup_head { @@ -284,12 +291,6 @@ static int __init init_cgroup_cls(void) if (ret) goto out; -#ifndef CONFIG_NET_CLS_CGROUP - /* We can't use rcu_assign_pointer because this is an int. */ - smp_wmb(); - net_cls_subsys_id = net_cls_subsys.subsys_id; -#endif - ret = register_tcf_proto_ops(&cls_cgroup_ops); if (ret) cgroup_unload_subsys(&net_cls_subsys); @@ -302,11 +303,6 @@ static void __exit exit_cgroup_cls(void) { unregister_tcf_proto_ops(&cls_cgroup_ops); -#ifndef CONFIG_NET_CLS_CGROUP - net_cls_subsys_id = -1; - synchronize_rcu(); -#endif - cgroup_unload_subsys(&net_cls_subsys); } diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index 2afd2a84dc35..2a68bb3db772 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -1635,7 +1635,7 @@ static int create_cache_proc_entries(struct cache_detail *cd, struct net *net) void __init cache_initialize(void) { - INIT_DELAYED_WORK_DEFERRABLE(&cache_cleaner, do_cache_clean); + INIT_DEFERRABLE_WORK(&cache_cleaner, do_cache_clean); } int cache_register_net(struct cache_detail *cd, struct net *net) diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index f4e0a6a148a5..41eabc46f110 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -2638,12 +2638,12 @@ static void xfrm_policy_fini(struct net *net) flush_work(&net->xfrm.policy_hash_work); #ifdef CONFIG_XFRM_SUB_POLICY - audit_info.loginuid = -1; + audit_info.loginuid = INVALID_UID; audit_info.sessionid = -1; audit_info.secid = 0; xfrm_policy_flush(net, XFRM_POLICY_TYPE_SUB, &audit_info); #endif - audit_info.loginuid = -1; + audit_info.loginuid = INVALID_UID; audit_info.sessionid = -1; audit_info.secid = 0; xfrm_policy_flush(net, XFRM_POLICY_TYPE_MAIN, &audit_info); @@ -2750,7 +2750,7 @@ static void xfrm_audit_common_policyinfo(struct xfrm_policy *xp, } void xfrm_audit_policy_add(struct xfrm_policy *xp, int result, - uid_t auid, u32 sessionid, u32 secid) + kuid_t auid, u32 sessionid, u32 secid) { struct audit_buffer *audit_buf; @@ -2765,7 +2765,7 @@ void xfrm_audit_policy_add(struct xfrm_policy *xp, int result, EXPORT_SYMBOL_GPL(xfrm_audit_policy_add); void xfrm_audit_policy_delete(struct xfrm_policy *xp, int result, - uid_t auid, u32 sessionid, u32 secid) + kuid_t auid, u32 sessionid, u32 secid) { struct audit_buffer *audit_buf; diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 105f2062ed1a..3459692092ec 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -2060,7 +2060,7 @@ void xfrm_state_fini(struct net *net) unsigned int sz; flush_work(&net->xfrm.state_hash_work); - audit_info.loginuid = -1; + audit_info.loginuid = INVALID_UID; audit_info.sessionid = -1; audit_info.secid = 0; xfrm_state_flush(net, IPSEC_PROTO_ANY, &audit_info); @@ -2127,7 +2127,7 @@ static void xfrm_audit_helper_pktinfo(struct sk_buff *skb, u16 family, } void xfrm_audit_state_add(struct xfrm_state *x, int result, - uid_t auid, u32 sessionid, u32 secid) + kuid_t auid, u32 sessionid, u32 secid) { struct audit_buffer *audit_buf; @@ -2142,7 +2142,7 @@ void xfrm_audit_state_add(struct xfrm_state *x, int result, EXPORT_SYMBOL_GPL(xfrm_audit_state_add); void xfrm_audit_state_delete(struct xfrm_state *x, int result, - uid_t auid, u32 sessionid, u32 secid) + kuid_t auid, u32 sessionid, u32 secid) { struct audit_buffer *audit_buf; diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 94a2a1f726f9..421f98444335 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -595,7 +595,7 @@ static int xfrm_add_sa(struct sk_buff *skb, struct nlmsghdr *nlh, struct xfrm_state *x; int err; struct km_event c; - uid_t loginuid = audit_get_loginuid(current); + kuid_t loginuid = audit_get_loginuid(current); u32 sessionid = audit_get_sessionid(current); u32 sid; @@ -674,7 +674,7 @@ static int xfrm_del_sa(struct sk_buff *skb, struct nlmsghdr *nlh, int err = -ESRCH; struct km_event c; struct xfrm_usersa_id *p = nlmsg_data(nlh); - uid_t loginuid = audit_get_loginuid(current); + kuid_t loginuid = audit_get_loginuid(current); u32 sessionid = audit_get_sessionid(current); u32 sid; @@ -1393,7 +1393,7 @@ static int xfrm_add_policy(struct sk_buff *skb, struct nlmsghdr *nlh, struct km_event c; int err; int excl; - uid_t loginuid = audit_get_loginuid(current); + kuid_t loginuid = audit_get_loginuid(current); u32 sessionid = audit_get_sessionid(current); u32 sid; @@ -1651,7 +1651,7 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh, NETLINK_CB(skb).portid); } } else { - uid_t loginuid = audit_get_loginuid(current); + kuid_t loginuid = audit_get_loginuid(current); u32 sessionid = audit_get_sessionid(current); u32 sid; @@ -1945,7 +1945,7 @@ static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh, err = 0; if (up->hard) { - uid_t loginuid = audit_get_loginuid(current); + kuid_t loginuid = audit_get_loginuid(current); u32 sessionid = audit_get_sessionid(current); u32 sid; @@ -1988,7 +1988,7 @@ static int xfrm_add_sa_expire(struct sk_buff *skb, struct nlmsghdr *nlh, km_state_expired(x, ue->hard, nlh->nlmsg_pid); if (ue->hard) { - uid_t loginuid = audit_get_loginuid(current); + kuid_t loginuid = audit_get_loginuid(current); u32 sessionid = audit_get_sessionid(current); u32 sid; |